Step 4 plus

2 - Attacking the castled king: A 1)1.Th8+Kxh82.Dh5+Kg83.Dh7# (Tate-Thomas, Bristol 1968) 2)1....Th1+2.Lxh1Dh2+3.Kf1Dxf2# (Planinc-Nikolac Zagreb, 1975) 3)1.Txh5(1.Pf5f6)1....gxh52.Pf5 4)1.Lxh6+Kxh6(1....Kh82.Dh3)2.Dh3+Kg73.Dh7#(Levin-Zadek, London 1981) 5)1....Pxe3+2.fxe3(2.Kh1Pxf2#)2....Dg3+3.Kh1(3.Kf1Df2#)3....Pf2# 6)1.Th8+Lxh82.Ph6+Kf83.Df7# 7)1....Df3+2.Kxh2Dh3+3.Kg1Pf3# 8)1.Pxh6+gxh6(1....Kh82.Pexf7#)2.Dxf7+Kh83.Pg6# 9)1.Td7+Txd7(1....Kh82.Dxf6+Kg83.Ph6#)2.Dxf6+Kg83.Ph6#10)1....Tf1+2.Kxf1Dh1+3.Kf2Pg4#11)1....Tc22.Kxc2Dxa2#12)1.Df6Da5(1....Dxe72.Dh8#;1....Txe72.Dh8#)2.Pg6+Kg83.Dh8#(Dvoiris-Asanov, URS

1977)

3 - Attacking the castled king: B 1)1....Lh2+2.Kh1Lg3+3.Kg1Dh2# 2)1....Lxg2+2.Lxg2Dh4+3.Lh3Dxh3# 3)1.Tb8+Lf82.Txf8+Kxf83.Dc8# 4)1.Txe7+Kxe72.De6+Kf83.Df7# 5)Drawing 6)1.Pg5h62.Dg6hxg53.Dh5# 7)1.Th8+Lxh82.Dg8+Kh63.Dxh8# 8)1....Tg3+2.fxg3Lh33.Te2Df1# 9)1....Pxc3+2.Lxc3Dxc33.a3Da1#10)1....Dh4+2.Kf1Lh3+3.Kg1Dd4#11)1....Txg22.Kxg2Dh3+3.Kh1Df3#12)1.Th8+Kxh82.Dxh6+Kg83.Dxg7#

4 - Attacking the castled king: C 1)1.Pf6Dxf62.Dxf8# 2)1.Peg5fxg52.Pxg5 3)1.Txh5gxh52.Pf5 4)1.Ph5gxh52.Pf6+ 5)1.Pgf5exf52.Pxf5 6)1.Ph5Lf82.Pf6+Kh83.Dxh7# 7)1.Pg5Lxg5(1....Tg82.Dxh7#)2.Dg7# 8)1....Lf42.Lxf4Ph4 9)1.La3Lxa32.Pg5(or2.Pf6+)10)1....Nf3+2. Kh1Bxg2+3.Bxg2Qh4+11)1.Txh7+Lxh72.Dh512)1.Pe4Lxg52.Pxg5

5 - Attacking the castled king: D 1)1.Te8+Lf8(1....Dxe82.Dg5+Pg73.Dxg7#)2.Txd8 2)1.Dg5+Pg62.Dh6 3)1.Lf4Pd72.Txd7Dxd73.Lh6 4)1....Le52.Td1Df3 5)1.Dc6(1.La6De4)1....f42.Le4;1.…Le72.f3!and3.La6 6)1.Tf1(1.Lxe7f6;1.Dh6Pf5)1....Dd72.Dh6

 7)1.Ph5+gxh52.Dg5+ 8)1.g4Pc62.Df6 9)1.f5(1.Dh6Pf5)1....De82.Dh610)1.Lf6Tc72.Dh611)1.Lf4(1.Lh6Dc3)1....Dc32.Le512)1....Pxe42.Pxe4(2.Lxe4Lxc3)2....Da3+3.Kb1Db2#

6 - Attacking the castled king: E 1)1.Th5gxh52.Dxh7# 2)1.Dg4+Kh82.Df5(2.Dh5f53.Lxf5f6) 3)1.Th8+(1.Dh5f5)1....Kxh82.Dh5+Kg83.Dh7# 4)1.Lxf6+Lxf62.De4 5)1.Pf6Lxf62.Ld3 6)1.Lxf6(1.Txe7Dxe72.Pe4Pe5)1....Lxf62.Df5 7)1.Dg4+Kh82.Df5 8)1....Txg2+2.Lxg2Lh2+3.Kh1Lg3+ 9)1....Txh3+2.gxh3(2.Dxh3Dxd1#)2....Dh2#(Bechtiger-Koronghy, Zurich 1981)10)1.Pg6+fxg62.Dxg611)1....Pxe42.Pxe4Da33.Kb1Db2#12)1.Lg7(1.Lg5Te8;1.Lf4Te8)1....h62.Dxh6Lxg73.Dh7#

7 - Attacking the castled king: F 1)1.Df6+Lxf62.Tg3+ (Apicella-Bauer Aix les Bain, 2003) 2)1.Dh6(1.Dh5Tff8)1....Tff82.Dxg7# 3)1.Th7+Kxh72.Dxf7+Kh83.Th1+ 4)1....Dxc32.bxc3Pe4 5)1.Df6+Lxf62.gxf6+Kg83.Txh8# 6)1....Lxa2+2.Pxa2Da5 7)Drawing 8)1.Lf7Dxh4(1....c22.Tg8+Txg83.Txg8#;1....Dxf72.Dxd8+)2.Tg8+Txg83.Txg8# 9)1.Th5Tg6(1....Tg82.Dxg8+Dxg83.Txg8+Kxg84.Txh6;1....Tf72.Dg8#)2.Dxg610)Drawing11)1....Tg32.Kh1Txh3+3.Th2Dg612)1.f6Lxg2(1....Dxf62.Dxb4+)2.Tg8+Kxg83.Dxg2+

8 - Attacking the castled king: G 1)1....Pf3+2.gxf3(2.Kh1Pxd2)2....gxf3+3.Kh1Dg2# 2)1.Pg5Lxg52.hxg5+Kg83.Dh7+Kf84.Dh8# 3)1.Pg5fxg52.hxg5 4)1.g5gxh52.gxh6 5)1.Db6+cxb6(1....Ka82.Dxc5)2.axb6# 6)1....Lg42.Pxg4hxg4andwins,e.g.3.Dc3Lh2+4.Kh1Lg3+5.Kg1Th1+6.Kxh1Dh5+

7.Kg1Dh2# 7)1.Txh5gxh52.g6 8)1.Pf5exf52.gxf5+Kh83.Dg2 9)1.Pxg5+hxg52.h6Tg83.hxg7+10)1....Dg32.hxg4hxg411)1.Dh6Lxf6(1....gxh62.gxh6#)2.gxf6(Hennings-Mohring, Colditz 1967)12)1.Tg4g52.Txg5

9 - Vulnerability in the opening: A 1)1.e6fxe62.Dh5+ 2)1.Le2

 3)1.Pe5fxe52.Dh5+g63.Dxg6# 4)1.Pd6+exd62.Dh5# 5)1....Pe32.fxe3Lh4+3.Pxh4Dxh4+4.g3Dxg3# 6)1.Pf6+gxf62.Dh5+Ke73.Df7# 7)1.Txe6+fxe62.Dh5# 8)1.Pe6hxg5(1....fxe62.Dh5+)2.Pxd8 (Tiviakov-Janjgava, Moscow 1995) 9)1.Lh5+g6(1....Ke72.La3#)2.Pxg6hxg63.Lxg6+Ke74.La3#10)1.Pxe6fxe62.Lh5+Ke73.Dxd6#11)1.Pe5fxe52.Dh5+Kf83.Df7#(Spoelman-Bensdai, Bagneux 2001)12)1....Pg32.Th2Pxe2

10 - Vulnerability in the opening: B 1)1.Pxe5Lxd12.Lb5+Dd73.Lxd7+ 2)1.Pxe5Lxd12.Lxf7# 3)Drawing 4)1.Pxe5Lxd1(1....dxe52.Dxg4)2.Lxf7+Ke73.Lg5# 5)1.Pxe5Lxd12.Lxd7+Dxd73.Pxd7Lxc24.Pxf8winningapiece. 6)1.Pxe5Dxe5(1....fxe52.Dxg4;1....Lxd12.Pxc6+Pe73.Pxa5)2.Txe5+Pxe53.Le2 7)1.Pxe5Lxd12.Lxf7+Ke73.Pf5# 8)1.Pxe5Lxe2(1....Pxe52.Dxh5+)2.Lf7+Kf83.Lh6# 9)1.Pxe5Pxe5(1....Lxd12.Pxc6+)2.Dxg40-03.Dd110)1.Pxe5Lxd12.Lb5+Kd83.Pxf7+11)1....Pxe42.Lxe7Lxf2+3.Kf1Pg3# (Horwitz-Bledow, Berlin 1837)12)1.Pxe5Lxd12.Peg6+(2.Pe6+Ke73.Pxd8)2....fxg63.Pxg6#

11 - Vulnerability in the opening: C 1) 1.Pxe5?Lxd12.Lxf7+Ke73.Lg5+Pf6.Awhiteknightonc3islacking. 2) 1.Pxe5?Lxd12.Lxf7+Kf8.Squaref8isfreefortheking. 3) 1.Pxe5Lxd12.Lxf7+Ke73.Lg5# 4) 1.Pxe5?Pxe5andthebishopong4isprotected;(1.…Lxd1?2.Lxf7+Ke73.Pd5#) 5) 1.Pxe5Lxd12.Lxf7+Ke73.Pd5# 6) 1.Pxe5Lxd1(1....dxe52.Dxg4Pxc2)2.Lf7+Ke73.Pd5# 7) 1.Pxe5?Pxb3!2.Pxg4Pxa1;1.…Lxd1?2.Lxf7+Ke73.Pd5# 8) 1.Pxe5?Lxd12.Lxf7+Ke7.Themove3.Pd5+isnotpossible. 9) 1.Pxe5Lxd12.Pf6+gxf63.Lxf7#10) 1.Pxe5?dxe5(1.…Lxd1?2.Lxf7+Ke73.Pd5#)2.Dxg4Pxc2+11) 1.Pxe5Lxd12.Pf6+gxf63.Lxf7#12) 1.Pxe5Lxd12.Lxf7+Ke73.Pd5#;1.…dxe5(thebest)2.Db3withadvantage.

12 - Vulnerability in the opening: D 1)1.e5Dxe52.Te1 2)1.Pxe5fxe5(1....Lxd12.Pxc6+)2.Dxg4 3)1.Dxf5exf52.Pxc6+ 4)1.Pd6+Lxd62.Dxf5 5)1.Pc4Dc72.Pd6+ 6)1.Pf6+gxf62.Dxd5 7)1.Pf6+gxf62.Dxd5 8)1.Pxe4Dxd42.Pf6+ 9)1.Dxd5exd52.exd6+10)1.Pd6+Kd7(1....exd62.exd6+)2.Pxf711)1.Pxf7Pc62.Dh4Lxf73.Txe7+12)1.Pxd5Db72.Pc7+Kd83.Txd7+

13 - Eliminating the defence / Interfering: A 1)1.La4+Pd72.Pd6# 2)1....Dh1+2.Ke2Dxg2+ 3)1....Dg2+2.Ke1Dxh1+ 4)1.Dg5+Kf82.Dxd8+ 5)1.e5Pe8(1....Tae82.exf6)2.Dxa8 6)1.Df3+Kg82.Dxa8+(Kasparov-Anand, New York 1995) 7)1....La6+2.Pge2Df2# 8)1.c5Le72.Lxe6+ 9)1....Dg6+2.Kf1Dxb1+10)1.h3Pe52.Lxf411)1.a5Pd72.Lxf512)1....g52.Pe2Pxe4

14 - Eliminating the defence / Interfering: B 1)1.Le4Txe4(1....Lxe42.Pe6#)2.Pg6#(Pogosjants 1965) 2)1.Pe6Txe6(1....Lxe62.e8D+)2.c8DTxe73.Dc5+ (Arnstam 1942) 3)1.e7Lxe7(1....Td62.exd8D+Txd83.Pf6#)2.Pg7# 4)1....Pf32.Lxf3(2.T4xf3Dg2#)2....Dxf1# 5)1.Lc6Lxc6(1....Txc62.Pf3#)2.Pg6# 6)1.Pb2Txb2(1....Lxb22.b8D)2.g7 7)1.Pb7Lxb7(1....Txb72.c8D#)2.cxb8D+ 8)1.Le4Lxe4(1....Txe42.Pd5#;1....Dd42.De1#)2.Pg4# 9)1.Ld3Tdxd3(1....Tcxd32.d8D+Txd83.Th1+Th24.Txh2#)2.Th1+Th33.d8D+

(Gorgiev 1936)10)1.Pfe4Lxe4(1....Txe42.Pf5#;1....b22.Lc3#)2.Pe2#11)1.e4Tf4(1....Txe42.Pf3#;1....Lxe42.Pc4#)2.Te6#12)1....Lc32.Lxc3Txc6

15 - Eliminating the defence / Blocking: A 1)1.Tg6Pf52.Te6#(Fritz 1951) 2)1.Pf7Txd72.Te5# (Makletsov 1977) 3)1.Ta8Pc72.Td8#+(Hage 1963) 4)1.Kf8Tb72.Td8#(Makletsov 1977) 5)1.Pd6Pb6(1....c4+2.Pxc4+Kb53.Pb2+)2.Pb7#(Prokes 1978) 6)1.Ka3Pd12.Pb3# (Fritz 1951) 7)1.Lf6Txf7(1....Th22.Lg6)2.Ta8# (Neidze 1969) 8)1.e5+Lxe5(1....Kc52.Pe6+)2.Lf8# (Kvalchev 1951) 9)1.Df7Tg82.Dh5#10)1.g7Le62.c4#(Kubbel 1925)11) 1.Kb3Pb62.Lb4# (Missiaen 1952)12)Drawing

16 - Eliminating the defence / Blocking: B 1)1....Pf2+2.Lxf2Df1+3.Lg1Df3# 2)1.Dh6+Dh72.Pg6+Kg83.Df8# 3)1.Da7+Kc82.Da8+Lb83.Da6# 4)1.Pd7+Pxd72.Txc8+Kxc83.Te8# 5)1.Tg8+Kh72.Th8+Dxh83.Dg6# 6)1.Dd7+Dd62.c3+Dxc3(2....Kc53.Db5#)3.Lf2# 7)1.Ph6Tc82.Dg8+Txg83.Pf7# 8)1.Dh3+Dh42.g4+Kg53.De3# 9)1....Df3+(1....Dd3+2.Kg4Dxg6+3.Kh3Df5+=)2.Lf4Dh3+3.Dg4Dd3#10)1.Pg4+Dxg42.Dg8Dd13.Dh8#

11)1.Ld2+Pf42.h4+Kh53.Th6#12)1....Pf3+2.Kf5Df4+3.gxf4Pe3#

17 - Draw / Stalemate: A 1)1.Te1Dxe1stalemate(1....Pb32.Txb1+Kxb13.Kxa4)(Lilja 1969) 2)1.Tc7Lxc7stalemate(1....Pb72.Txb7Txb7stalemate)(Nadareishvili 1974) 3)1....De1+(1....Df2+2.Dxf2;1....Df3+2.Lxf3;1....Df4+2.Lf3)2.Kxe1stalemate 4)1.De1Dxe1stalemate(1....Lg22.Dxf1+Kxf13.Kxg4)(Godes 1984) 5)1.b4+Kxb42.Pc6+Pxc6stalemate(Nyeviczkey 1951) 6)1.Dxg7+Kxg72.Pxf5+gxf5stalemate(2....Kf6?3.Pxg3) 7)1.Td8Txd8(1....Kxb7?2.Txg8)2.b8DTxb8stalemate(2....Kd7?3.Dxe5) 8)1.Lh5+Kxh52.g4+Kg6stalemate(Bent, 1976) 9)1.d8DLxd82.Lf4+Kxf4stalemate10)1.Le3(1.Lxg5+?Kxg5)1....Dxe32.Pf5+Lxf5stalemate(Neistadt, 1974)11)1.Pb6Tb8!2.Ka1Txb6stalemate(2....Tc83.Pxc8stalemate)(Rinck, 1938)12)1.Kh4(1.Lxc6+Kxc62.Kf4Kd6)1....g5+(1....Dxg2stalemate)2.Kh5Dxg2stalemate

18 - Draw / Insufficient material: A 1)1....Kf4(1....Kg2?2.h4)2.Kd4Kg53.Pe3Kh4 2)Drawing 3)1.Lg2Txh52.Kg4+Td5 4)1.Pf6Ph62.Pd7(Fritz, 1983) 5)1.f4+Kxf4(1....Txf42.Pe6+)2.Pxa4 6)1.Tb2+Kg12.Ta2!Pxa2+(2....Txa2stalemate)3.Kb2 (Herbstmann, 1934) 7)1.Pxf4Lxf42.e4(Akerblom, 1963) 8)1.Ld7+Kb42.g4(Gurvich, Pogosjants, 1964) 9)1.Th6Pxh62.g6Phf510)1.La3bxa3stalemate(Krikheli, 1980)11)1.Pe5Lc82.Pf3+12)1.Txc2Lxc2+2.Ka3Pc33.Kb2(Rinck, 1937)

19 - Endgame / Avoiding stalemate: A 1)1.Ta5+(1.Txd5?stalemate)1....Dxa52.b7+Ka73.b8D+Ka64.Db7# (Kakovin, 1972) 2)1.Lg7+(1.Txg1?b1D+2.Txb1stalemate)1....Dxg72.Th1+ 3)1.De1Txe1+2.Kh2 4)1.Lg4+(1.Lxf5?stalemate)1....Dxg4(1....Kxg42.Ph6+Kxg33.Pxf5+Kg44.Ke4)2.

Pf6+Kg63.Pxg4 5)1.Tf2(1.Txa2stalemate;1.Pf2+Ke12.Txa2stalemate)1....a1D2.Tf1+(Nadareishvili, 1989) 6)1.Lg1g22.Pf2 (Gorgiev, 1937) 7)1.Dd6Dxd6+2.e5+ 8)1.f4Dxc1+2.Kxc1Kxe33.f5;1....Dg62.Tc3+ 9)1.c3+Dxc32.Td8+Kc53.Tc8+Kd44.Txc3Kxc35.Kg5 (Dawson, 1923)10)1.f7+(1.Lxe6?stalemate)1....Kxf7(1....Kxe72.Lxe6)2.Lh411)1.Pb4(1.Lxb6?stalemate)1....Dxb4(1....Da52.Ld2+Kd43.Pc6+;1....Kxb42.Lxb6)2.

Ld2+Kd43.Lxb4(Dawson, 1922)12)1.Tb4+(1.Txb2Ta5+2.Kb7Tb5+)1....Kg52.Txb2

20 - Draw / Perpetual check: A 1)1....Pf4+(1....Pxg3+2.Ke1)2.Kg1Pe2+3.Kf1Pf4+ 2)1.Dh8+Kd7(1....Df82.Dxf6)2.Dh3+Ke83.Dh8+ 3)1.Pf5+(1.Txh2+Kg52.Txh8a23.Th1a1D4.Txa1Txa1)1....Kh52.Pg7+Kh63.Pf5+ 4)1....Pf5+2.Kf1(2.Kh1Pg3#)2....Pe3+3.Kg1(3.Ke1Lc3#) 5)1....Td1+(1....De1+2.Lf1)2.Lxd1De1+3.Kh2Dh4+4.Kg1De1+

(Khalifman-Salov, Wijk aan Zee 1991) 6)1.Lb2+Kh6(1....Kg82.Pf6+;1....Kh72.Pf6+;1....Kg62.Pe5+;1....Kf72.Pe5+)

2.Lc1+Kg7(2....Kh53.Pf6+=)3.Lb2+=(Kasparian, 1958) 7)1.Pd7+Kf72.Pe5+Kf63.Pd7+ 8)1....Th1+2.Kf2Th2+ 9)1.Kf8b1D2.Pf7+Kh73.Pxg5+Kh84.Pf7+10)1.Dh4+Kg72.Te7+Txe73.Dxe7+Kg84.De8+Kg75.De7+Kh66.Dh4+

(Agrest-Dubinka, 1999)11)1.Ld7+Kd82.Lb6+Ke73.Lc5+(Anand-Gelfand, München 1994)12)1.Td8+Lf8(1....Kh72.Pf6+Kg73.Ph5+)2.Pf6+Kg73.Ph5+Kh74.Pf6+

21 - Draw / Perpetual check: B 1)1....Tf6+2.Ke7Pf5+3.Ke8Pd6+4.Ke7Pf5+ 2)1....Pf3+2.gxf3Te2+ 3)1.Pxf6+(1.Dg5+Kh82.Dh4+Ph7)1....Pxf62.Dg5+ 4)1.Tg8+(1.Txh7+Kxh72.Dh4+Kg6)1....Txg8(1....Kxg82.Dg5+Kh83.Df6+)2.Df6+

Tg73.Dd8+Tg84.Df6+ 5)1....Lg2+2.Txg2De1+3.Tg1Dxe4+ 6)1.Te7d1D(1....h52.Te8+)2.Te8+Kf73.Te7+ 7)1.Lf8+Tg72.Txg7+Kh63.Tg8+Kh74.Tg7+ 8)1.Df8+(1.Dc1Dxe5;1.Pc4Df3)1....Txf82.Pg6+Kh73.Pxf8+Kh84.Pg6+ 9)1....Pe12.h4Pf3+3.Kg2Tg1+10)1....Dd4+2.Df2Dd1+3.De1Dd4+4.Df2Dd1+11)1.Tg4+Kh5(1....Kh32.Tg1+Dxf5+3.Kxf5)2.Tg5+Kh63.Tg6+Kh5(3....Pxg6)

4.Tg5+Kh45.Tg4+Kh512)1.Df8+Kxf82.Td8+Kg73.Lf8+Kg84.Le7+

22 - Draw / Mix: A 1)Drawing 2)Drawing 3)1.Lb3+Kf52.Lc2+Ke63.Lb3+ 4)1....Tg82.Pe6Txg7+ 5)1.Dd5+Kxd5stalemate(1....Dxd5stalemate) 6)1....Pc1+(1....Pxb22.Lc2Pd63.Tb1Pbxc44.bxc4Pxc4)2.Ke1Pd3+3.Ke2Pc1+

4.Ke1Pd3+(Arlandi-Wells, Linares 1995) 7)1.Kf1Lh42.Pg3+Lxg3stalemate(Pogosjants 1976) 8)1.Pg5+Kf8(1....Kf6?2.Pe4+Ke73.Pxd6+)2.Pxh7+Kf7(2....Kg8?3.Txe8+Kxh7

4.Td8)3.Pg5+(Endicott 1940) 9)1.Pf7+Txf72.Tg8+Kxg8stalemate(Presniakov 1993)10)1.Pd2b22.Pc4b1D3.Pa3+(Dannikov 1928)11)1.Tc4Tc2(1....Da8?2.Tc1#)2.Tb4+(2.Txc2Dd4+3.Td2Dg1+)2....Tb2(2....Db2

3.Txb2+Kxb2=)3.Tc4(Nadareishvili 1972)12)1.g3+Kg42.Lc3Lxc3stalemate(2....Pe7+3.Kh6Lxc3stalemate;3....Pf7+4.Kh7Lxc3

stalemate)(Petrov, 1934)

23 - Trapping: Chasing: A 1)1.Ld2Dc5(1....Da42.b3)2.Lb4(2.b4?Dxf2) 2)1.Tb3Da42.Lb5 3)1....Lf42.Dd3Lf5 4)1.Pg3Dg42.h3 5)1.Tb3Da52.Lb6 6)1.Tb5Dxc32.Lb2 7)1....Lg52.Dd3Pe5

 8)1....d42.Df4g5 9)1.Lf4Dd52.c410)1.g4Da5(1....Df62.Lg5)2.Ld211)1.e4Le6(1....Lxe42.Pxe4)2.d512)1.Pd2Db22.Ta2

24 - Trapping: Eliminating the defence: A 1)1.Lxf7+Pxf72.Pe6 2)1.Txf5gxf52.Kd2Txc43.bxc4 3)1.Txc8Txc82.b3 4)1.Pxf6+Dxf62.f5 5)1....Ld4+2.Kh1h4 6)1....Th52.Lxh5g5 7)1.Lxf6Lxf62.f4 8)1.Lxd5Lxd52.Lc7 9)1....b52.Pc5Ta310)1.Lxd4exd42.Pa4(Iskusnih-Nenashev, Omsk 1996)11)1.Pc4Df52.f312)1.Te1Kf72.f5

25 - Trapping: Targeting: A 1)1.f4Pd72.f5 2)1....Lh6+2.Kb1Lf4 3)1.g4 4)Drawing 5)1....Tf4+2.Kg1Tf8 6)1.Dh5g62.Dc5 7)1.Pf5Ld82.Ph4 8)1.Le7Td72.Lg5 9)1....Pe52.Lb3Lg410)1.Td8+Kh72.Ld611)1.Ld6Td82.b312)1.e5Pe42.Pa4

26 - Trapping: Luring: A 1)1....axb42.Dxa8Pb6 2)1.f6Dxf62.Lg5 3)1.e5Dxe52.Lf4 4)1....g52.Dxh5Lg4 5)1....c62.Dxc6+Ld7 6)1....axb52.Dxa8Pb6 7)1.Txe4Dxe42.Lc6 8)1....Pxe52.Dxe5Td5 9)1.b6Lxb62.Pd510)1....axb42.Lxb4c511)1.c3Dxc3+2.Ld212)1.b4Dxb42.Pc6

27 - Trapping: Clearing: A 1)1....Pxf3+2.Lxf3Lf6 2)1.Pxd5exd52.Lc7 3)1.e5Lxe52.Lf3 4)1.Txd8Pxd82.Pd1

 5)1.Pg5+Txg52.Ld1 6)1.Kh1fxg42.Pg1 7)1.g4fxg42.Pg3 8)1.e5dxe52.Pe4 9)1.Dd1Pe42.Le110)1....Dd8(1....Dc82.Pc4Le83.Pxb6)2.Pc4Le811)1....Lh42.Df1f612)1.d6Lxd62.Pd5

28 - Trapping: Mix: A 1)1....c52.Dd1c4 2)1.a3 3)1.Pxe4Dxe42.Lf3 4)1....f52.Ld3f4 5)1....Tf7 6)1.Lg5hxg52.hxg5 7)1....Pxe42.fxe4Le5 8)1.d5cxd52.f5 9)1....Pg42.Te2f610)1.b4Lxe22.Dxe211)1.Txe5Dxe52.Lf412)1.Lg5Df52.g4

29 - Trapping / Mix: B 1)1.Lc3Db52.Lf1 2)1....Pd2+2.Kb4Pe4 3)1.Tf1Pd72.Lb3Pc53.Lxa4 4)1....Pxg32.hxg3Ld3 5)1.Txg5hxg52.Lg3 6)1.Pxc8Txc82.Pxf5 7)1.Lxd4(1.0-0-0?c5)1....Dxd42.Td1 8)1.d5exd52.Pd4Dxd63.exd6 9)1....Tf82.Dd5c610)1.b4Pg62.Lc411)1....d42.Dxd4Lc512)1.Pe6Pe82.Te5

30 - Mini-plans / Increasing activity: A 1)1.Tc1Pbd7(1....Ld82.Pd5Dxa23.Pc7+)2.Pd5 2)1....Pb42.Db3Pd3+ 3)1.Pg3(followedby2.Pe4) 4)1.Le7(1.Dxh4?Dd7)1....Tc72.Lf6Kf83.Dxh4Ke84.Dh7 5)1.Pb5Db62.Pd6+ 6)1.Pb5Dd82.Pd6 7)1.Lg5Dd72.Lf6+Kg83.Dd2 8)1.Pe4Lb82.Pd6 9)1....Pd52.Df2f53.Df3Pe310)1.Dd6!(1.Dd2d5)11)Drawing12)Drawing

31 - Mini-plans / Exploiting vulnerability: A 1)1....Lf8and2....Lc5

 2)1.Te1Txc12.Lxc1 3)1.Ld1and2.Lb3 4)1.La5(threatens2.Lxb6and2.c5) 5)1.Df4Lg72.Txe7+Kxe73.Df7+ 6)1.Pb5Pf82.Pc7 7)1....La32.Lxa3Dxc3+ 8)1....Lb7and2....La6+ 9)1....La6(threatens2...Lxc3or2....Lxe2)2.Pa4Db5andBlackalwayswinsmaterial,e.g.

3.Pac3Lxc34.Pxc3Dxf1+5.Dxf1Lxf16.Txf110)1....Lg52.h4Lh611)1....Tag82.g3Lxf312)1.Dc1Ph52.g3

32 - Mini-plans / Exploiting vulnerability: B 1)1.Dg3Lg62.De5 2)1.Da3(pawna7cannotbeprotected:1....a62.Txb6or1....Ta82.Txb6) 3)1....Lxd42.Dxd4Dc6 4)1....Da82.Ke2(2.Ld1Lc6)2....Lg4 5)1.Pa4Dc7(1....Tae82.Pxb6)2.Pe6 6)1.Pg3Dd72.Pxf5 7)1....Lh5 8)1.Lxh6Lxh62.Db3 9)1....a42.Lc2Dd5;1.…c4?2.Dxd410)1.Ph4f52.Txg6+11)1.Df5(1.Df6Td7)12)1.Dd6Lg72.Pxc7+Kf83.Pxa8

33 - Mini-plans / Opening the position: A 1)1....e42.dxe4(2.Pd2exd33.exd3Te8+4.Kd1De7)2....fxe43.Pd2Dxf2+ 2)1.e5Pg82.exd6 3)1.e6fxe62.Dh5+g63.Dh3 4)1....f6andWhitecannotpreventlossofmaterial. 5)1....h52.h3hxg43.hxg4Th44.f3Tah8 6)1....Lxd52.exd5(2.Dxd5Dh4+;2.Pxd5Dxb23.0-0Tab8)2....Tfe8+ 7)1....f62.exf6Dxf6 8)1.d5Pxd52.Pxd5cxd53.Txd5De84.Td7 9)1....f62.exf6Txf610)1.f4gxf42.Lxf411)1....f512)1.d4exd32.Dxd3+

34 - Mini-plans / Mix: A 1)1....f5(1....Lxf32.gxf3f53.exf5Dxf54.d4Dxc2+5.Kxc2)2.h3Lxf33.gxf3f44.Lh2 2)1....Df6 3)1....f5(1....Tad82.cxd4cxd43.Tac1(3.Pxd4Pc4))2.e5(2.cxd4Pc2) 4)1.La1?Pe5)1....Lh52.Dc2(2.g4Lg63.De2) 5)1....d42.exd4Lxd43.Kf1 6)1.e6fxe62.Pxg6(2.b4cxb43.Pxg6) 7)1.Lg5De62.Lxf6gxf63.Dg4+(3.g4f5)3....Kf84.Dh4Kg7 8)1....Pxe2(1....Pxb32.cxb3d63.Tc1)2.Dxe2d6(2....0-03.0-0-0d64.Dd3)3.0-0-0Le6

4.Dd2d5 9)1.Ta6(1.Ta5a62.Te1Tc63.Tea1Tb6)1....Td82.Te1Td73.Tea1Lf64.T1a5g5

5.Lg3Tb76.Ld6+Kd77.Lc5Ld88.Txa7

10)1.Ld4Td82.Tc111)1.Pf3Pd7(1....e42.Pd4Dd73.Lh3exd34.Txe8+Txe85.Dxd3)2.Pxe5Pxe53.Tce212)1.h4Td8(1....Pb72.h5)2.Tf7

35 - Mini-plans / Exploiting vulnerability: C 1)1....Dc1+2.Kg2Tf6 2)1.Tc7Txc72.Lxc7 3)1.Dh6Pd7(1....Dg52.Lxf7+)2.Dxg6+ 4)1.Ld4c62.Dg4De73.Dh5+ 5)1....De62.De4Dxe43.Pxe4Lxb2 6)1.Pdb5 7)1.Dc8Pd72.Dc7+Ka83.Ld4 8)1....Ph5(1....Lc52.Txb7Ph5) 9)1.Pb5Ta8(1....a62.Pa7Ta83.Lxb6)2.Pc710)1.Tfe1Tf72.Pg5Lf53.Dxd4(3.De2Dd74.Pxf7Kxf7)3....Tf64.De3Kf811)1....Dh5(1....Pxf2+2.Kh2Dh53.Dc4)2.Kg2De2(2....Tg8+?3.Kh2)12)1....Da22.Dd4e3(Gelfand-Svesnikov, Ljubljana, 1995)

36 - Pawn ending / Technique: A 1)1....h5(1....Ke52.Kg4a53.bxa5bxa54.a4Kf65.Kh5Kxf56.Kxh6g47.hxg4+Kxg4

8.Kg6Kf4)2.f6Ke63.Ke4Kxf64.b5Ke65.a4Kd66.Kd4g40-1 2)1.Kd5(1.Kc5Ke62.Kc4Kd63.Kxc3Kc5)1....Kf62.Kd4Ke63.Kxc3Kd54.Kb41-0 3)1.a4Kg82.b4Kf73.a51-0 4)1....cxb3(1....c3+2.Kc2andtheblackkingcanneverenter.)2.Kxb3Kc53.Kc2Kc40-1 5)1.Kd3Kc52.g31-0 6)1.e4+dxe4+2.Ke3Ke63.Kxe4Kd64.Kf5(or4.f5)1-0 7)1.e4(1.e3Kd5)1....dxe32.Kxe31-0 8)Drawing 9)1.Kh2(1.Kf2Kh32.c7Kh23.c8Dg1D+4.Kxf3=)1....Kf42.c7Ke33.c8D1010)1.f4(1.Ke3e52.f4e4)1-011)1.g5(1.Ka8Kc82.g5hxg53.g4)1....hxg5(1....h52.g3Kc83.Kb6Kb84.Kc6)2.g4Kc8

3.Kb61-012)1.g4+(1.a4Ke42.Kg2–2.g4h5–2....h53.Kh3g5)1....Ke52.g5Kd53.Kg2Kc44.Kf3

Kb45.Ke4Ka36.Ke5Kxa27.Kf6Kb38.Kg7Kc49.Kxh71-0

37 - Pawn ending / Defending: A 1)1.b5b6(1....Kb42.b6Kb53.Kc3Kxb64.Kb4=)2.Kd2Kc43.Kc2Kxb54.Kb3 2)1.Kf2(1.b4e42.Kf2Kd23.b5e3+4.Kf3e25.b6e1D)1....Kd22.Kf3Kd33.Kf2e44.

Ke1Kc3 3)1.g6(1.Kh5?d32.g6d23.g7d1D+)1....Kxg62.Kg4 4)1.Kf2(1.Kg3f4+2.Kf2g3+3.Kf1Kf54.Ke2Ke55.Kf1Kd46.Ke2Kc37.Kf1Kd2)

1....Kf42.fxg4fxg43.Kg2g34.Kg1Kg45.Kg2Kh46.Kg1Kh37.Kh1g2+8.Kg1Kg3stalemate

 5)1....Kg2(1....e42.Kd6Kg23.Kd5Kf34.Kd4andWhitewins)2.Kd6Kf33.Kxe5 6)1.Kh8!(1.Kf8?Kf62.Kg8Ke5) 7)1....Kh52.Kxf4Kxh4 8)1....Ka4!(1....Kb4?2.b3)2.b3+Kb4 9)1.b5!axb52.b4Kb1stalemate10)1.Ka8!11)1.e5!(1.Kf5Kd3)1....fxe5+2.Kxe512)1.Kb3!(1.c4?bxc3ep)1....Ke22.c4!(2.c3?a2!3.Kxa2bxc3)2....bxc3ep3.Kxc3

38 - Pawn ending / Defending: B 1)1.f4(1.Ke4Kg4!;1....Kg5?2.Kxe5h43.f4+Kh64.Ke4!)1....exf4+2.Kxf4 2)1.g5Kg42.Kxc4Kxg53.Kd3Kg44.Ke2Kg35.Kf1 3)1.Ka1!Kc12.Ka2Kc23.Ka1Kb34.a4! 4)1.a4Kb42.a5Kxa53.Ka3 5)1.Kb6(1.a6?bxa62.Kxc6Kb4)1....c52.a6!bxa63.Kxc5 6)1....Kd4(1....h42.Kf5h33.gxh3Kd64.Kf6Kd75.h4Ke86.Kg7;1....Kc62.Kf5)2.Kf5

Ke33.Kg5Kf2 7)1....Kd2(1....Kc22.Ke6Kd33.Kd5)2.Ke6Ke33.Kd5Kf4 8)1....Kh1 9)1....Kf1(1....Kh12.Kf2Kh23.Ke3Kg34.Kd4Kf45.Kc5Ke56.Kb6Kd67.Kxa6)

2.Kf3Ke13.Ke3Kd14.Kd3Kc15.Kc4Kb26.Kc5Kb37.Kb610)1.Kd7(1.Kd6h5)1....h52.Ke8Kg53.Kf711)1.a3Kb32.a4Kxa43.Kxc2Ka34.Kb112)1....Kh3

39 - Discovered attack: A 1)1.De2De72.Dxa6Kd83.0-0 2)1.Dg4g62.Ph6+ 3)1.Df30-02.Pf6+ 4)1.Da4+Ld7(1....Dd72.Lb5;1....Kd82.Td1)2.Lf7+ 5)1.Dd5Dc1+2.Tf1+ 6)1.Td1+Kg72.Lh6+ 7)1....Tg82.Dxe1Lxd4+3.Kh1Tg1# 8)1....Db62.Df2(2.Tac7Txg4+3.Kf2(3.Kh1Dxe34.fxg4Le4#)3....Tg2+4.Kxg2Dxe3)

2....Dxa7 9)1.Db4Pa62.Pxc8++Ke83.De7#10)1....Df72.Te7Tg1+3.Txg1Dxh511)1....Dg5+2.Kh2Dh6+12)1.Dc5(1.De7+Kg82.Td8+Kh73.Txc8Txc8)1....Dxc5(1....Db82.Td8#)2.Td8#

40 - Discovered attack: B 1)1.Lb3Ke5(1....Dg7+2.Tg4+)2.Tc5+ 2)1.Dd8(1.Dc8Ke7)1....Db1+2.Lg6# 3)1.Ld3Dg12.Kc3# 4)1.Th4!(1.Tg6+?Kf72.Lh5Td53.Tg5+(3.Kh4Le4!4.Tg4+Txh5+5.Kxh5Lf3)

3....Kf6)1....Ld5(1....Le42.Lf3)2.Le6+ 5)1.Lh3Txc7(1....Kxc72.Tc4+Kd83.Tc8#)2.Tg8# 6)Drawing(womenchampionoftheNetherlandsPeng) 7)1.Db1+Kg22.Txf2+ 8)1.Tf8Txh72.Kg6+ 9)1.Db3Kf5(1....Lc52.Pg5+;1....Dh72.Pg5+;1....g52.De6+Kf33.Pe5+)2.Ph6+gxh6

3.Dxg810)1.Lf1g1D2.Ld3+11)1.Dc8Kf7(1....Lf52.Dxf5)2.Lc512)1.Db5Ke4(1....Da12.Ld4+Kxd43.De5+;1....Dc12.Lxa3+;1....Dd12.Dd7+;1....De4

2.Db7+;1....De62.Db3+;1....Dh4+2.Le7+;1....Dg32.Lf2+;1....Dh12.Db7+;1....Ke62.De8+;1....Lxf42.Lf2+)2.De8+

41 - Discovered attack: C 1)1.Dd6+Kg82.Te8+Txe83.Dxf4 2)1....Ta52.Td8+Le8# 3)1.Dh2

 4)1.Lc7Pd52.Ld6+ 5)1.Df5Td82.Pf6+(2.Pd6+) 6)1....Pd22.Tf2Pxf3+ 7)1.De3Tc72.Pd5+exd53.Dxa3+ 8)1.Dg5Pd7(1....Pd52.Ph6+)2.Txd7 9)1.Pg4Dh52.Pf6+10)1.Dh4+Kf52.g4+11)1.Db3+Ke82.Lxg6+hxg63.Dxf312)1.Lf5Df72.Lh7+

42 - Endgame / Strategy: A 1)1.c5bxc52.Pc4 2)1.Tc1(1.Kf2Lc22.Tc1Ld33.Tc5Lc44.a3Kd8;1.Te2b4;inbothcasesWhitecannot

makeprogresseasily)1....Kd82.Kf2Kd73.Ke3 3)1....e42.Td1Tf8 4)1.b5(otherwiseBlackplaysb5);1.a4isalsopossible. 5)1....a42.Kc2axb3+3.Kxb3Pg6andPh4 6)1.b4Thebishopona3willbelost!Thewhitekinggoestob3. 7)1.g5(Exchangestheblackpassedpawnagainstalessimportantpawn.)1....Lxg5(1....Le52.f4)

2.Txc3 8)1.d5(otherwiseBlackblocksthed-pawnwithPd5andWhiteisleftwithabadbishop.)1....Pe8

1....Pxd52.Lxg7Whiteisabitbetter. 9)1.b4axb4+2.cxb4(Aronin-Boleslavsky, Moscow, 1952)10)1.a5(OtherwiseBlackkeepshispawnstructureintactwithKc6.)11)1....d4+2.Kxd4Pd53.g3Pxb412)1....Le52.Txc6bxc6

43 - Endgame / Strategy: B 1)1.Ta2(1.Tf2Ta7)1....Tb72.Ta6 2)1....a5(PreventsthatWhitecancreateapassedpawnonthec-filewithb4.) 3)1....c62.Pe6cxb53.axb5a4 4)Drawing(Genna Sosonko) 5)1.Ke2(Intheendingthekingmustparticipate) 6)1.Pg1(knighttoabettersquare:f3) 7)1....f6(1....c52.Lxe5+Lxe53.Td1) 8)1.Dd6+Dxd6(1....Kg82.Dxb6axb63.Pd6)2.Pxd6 9)1.Lf7Kb42.Lg6Ka33.Kf1Pg3+4.Kf210)1....Pe52.Db8+Kh73.Dxb5Pg4+4.Kg1Db311)1.Td7Te82.Tc412)1.Lg5(1.Pg5Lxg52.Lxg5andtheoppositecolouredbishopsmakesthewinproblematic.)

44 - Endgame / Tactics: A 1)1.Pd4Kg3(1....Dd82.Pe6+)2.Pc6 2)1.d4+Kxd42.Tc8 3)1....b5(1.…Ta1+2.Kh2b5Pd2)2.Pd6(2.Td7Ta1+3.Kh2Lg1+)2....Le53.Pxb5

Ta1+ 4)1.Pc7Ld42.Pe6+ 5)1....Ta5 6)1.Pe3!Td4(1....Ta42.Pd5Kd73.Txe7+Kd64.Td7+)2.Txe7+ 7)1.Th6g42.hxg4+ 8)1....Taf8(2.Thf1Lxe4) 9)1.Tdc3Tc82.Txb610)1.Ka1(1.Pd2Pe32.Ka1Pc2+3.Kb1)1....Pe3(1....Le32.Pe1Lc13.Pc2#;1....Le1

2.Pxe1Pe33.Kb1Pd54.Pc2#)2.Pd4Le13.Pb5#11)1.Tcb1Td72.c612)1....Ta82.Lc1Ta1

45 - Endgame / Tactics: B 1)1....b52.Lxb5Pcd4+ 2)1.Pb7+Ka62.Pc5+ 3)1.Tf1Dxf12.Pg3+ 4)1.Dc1+Kb32.Db2+Kc43.Db4# 5)1.h6Lf82.Ld5 6)1.Lh5Lxh52.Txh6 7)1.Tc8+Dxc82.bxc8D+Txc83.Tb7# 8)1....h52.axb6Ld3# 9)1.Dg7+Kc4(1....Kd32.Le4+;1....Ke32.Dg1+;1....Kc52.Dg1+)2.Ld5+10)1.Lh3Lh42.Te1+11)1.h8D+Kxh82.Kg612)1.Td1+Kc82.Ta1

46 - Rook endings / Strategy: A 1)1.Kf3Td72.Ke3Tc73.Tc2Kg74.d4withadvantage(activatingtheking). 2)1.Td1(1.h3Tc1+2.Kh2Ta13.Td5islessgood.The rook belongs behind the passed pawn. 3)1....Td8(1....Tc82.a4)2.Te3Td4 4)1.h6Kxh6(1....a42.hxg7a33.g8D+Kxg84.Tc8+)2.Tc8 5)1....Kd62.Txb5Ta8 6)1.Te7(1.Kg6Kf82.Th1Ke7=)1....Kf82.Tb7 7)1.Ta8Kc22.Tc8+ 8)1.Kg4(1.Txg7Kf3)1....a62.Txg7 9)1.e4dxe42.Ke8Th8+3.f8DTxf8+4.Kxf8Kb65.Txh2Kc56.Th410)1.Te2(1.Txe3Txb2)1....Td32.Txe311)1....b42.Kf2a412)1.b4

47 - Rook endings / Vulnerability: A 1)1.c3Tg42.Ta8# 2)1.Kg7Tf82.Te5+Kd73.Kxf8 3)1.Tg7Txh6(1....Txg72.hxg7Kxb33.g8D+Kxb24.Dc4)2.Txb7+ 4)1.Kb7Ta5(1....Tc82.Td1+)2.b4axb33.Txa5 5)1.Kf6Kxf3(1....c1D2.Tf5#;1.…Txf32.Th4#)2.Th3+ 6)1.Th1Td8(1....Kf42.Th4+Kg33.Txd4Kf24.Ke5Kxe25.Ke4Kf26.Kd3e27.Tf4+)

2.Th4# 7)1....e1D2.Txe1Kf2 8)1.Ta5(1.Ta1d42.Te1+Kd5)1....Td8!?2.Kxd8Kxf53.Txd5+Ke44.Td1f55.Te1+ 9)1.Kf7Te12.Th8# (Radchenko, 1996)10)1.Td3+(1.c8PTxh3=)1....Kxd32.c8D11)1.Te7(1.Tf7+Ke62.Tf6+Ke73.Txg6isbetervoorWhite)1....Ta3+2.Te3Txa73.Te5#12)1.Ke1Th22.Ta2+Kb43.c3+

48 - Rook endings / Vulnerability: A 1)1.Tg1+Kd22.Kb3 2)1.Tb7Ld42.Te7+ 3)1.Tf5+Kg12.Te5Lb53.Te1+Lf14.Ta1 4)1.Kc7La6(1....Ld72.Th6+)2.Th6+ 5)1.Tf3Lg4(1....Lg22.Tg3+;1....Lc82.Tf8+)2.Tg3

 6)1.Ke4Lh22.Tg2Le53.Tg6+ 7)1.Tf5Lg42.Tf4+ 8)1.Kf3Lc72.Te8+Kg73.Te7+ 9)Drawing (Kasparov)10)1.Ke3Lh12.Tg1Le43.Tg5+11)1.Tb8Ke72.Ta8!Ke83.Kd612)1.Kf6Lb3(1....La22.Ta5+;1....Le82.Tc8+)2.Ta5+Kb73.Tb5+

49 - Mate in the ending: A 1)1.Pg5+Kh62.Th8+Kxg53.h4# 2)1.Pg6+Dxg62.Dh2+Kg53.Df4# 3)1.Th8+Dxh82.De4+Tg63.Dxg6# 4)1.b8D+Txb82.c8P+Ka83.Ta7# 5)1.Tec3axb22.T3c4+Ka33.Ta5# 6)1.Pg6+Kh7(1....Kg72.e8P+Kg83.Pdf6#)2.Pf6+Kg73.e8P# (Pogosjants, 1978) 7)1.f4 8)1....Lf4+2.Ke4Te6+3.fxe6f5# 9)1.Ld5h52.Te1 (Brynell-Karlsson Malmö, 1986)10)1.Tc3+dxc32.Dxe4+Dd43.d3#11)1....Lc7+2.d6Ld83.d7Lc7#12)1.Lc7+Kb52.Tc4Ld53.Ta5#

50 - Mate in two / Cooperation (): A 1)1.Kc3Ka3(1....cxb4+2.Dxb4#)2.Da6#(Parchomenko 1995) 2)1.f7Kh72.Dh5# 3)1.Dc1Ka52.Da3# 4)1.Kc8Kc62.Dc5#(Kallström 1928) 5)1.Kb6e6(1....e52.Dd7#)2.Dc5#(Parchomenko 2006) 6)1.Dd2Ka42.Db4#(Speckmann 1970) 7)1.d3Kb1(1....Ka32.Da7#)2.Dxb2#(Saks 1996) 8)1.Da5d52.Dc3#(Lazard 1925) 9)1.Kd7c32.De6#(Schaposchnikow 1982)10)1.c4Kb6(1....d62.Db5#)2.Db5#(Schaposchnikow 1982)11)1.Kf5g5(1....Kh62.Dh8#)2.hxg6ep#(Postovoy 1964)12)1.Da3Kc4(1....e32.Db4#)2.Dc5#(Lazard 1926)

51 - Mate in two / Cooperation (): B 1)1.Tb2Ka6(1....Ka42.Da7#)2.Db6#(Link 1911) 2)1.Db8Kc42.Tc6# 3)1.Kd3Ke52.Dg5# 4)1.Db7Kxh5(1....Kf62.Th6#)2.Dh7#(Jespersen 1880) 5)1.Td2+Kf32.Dd3#(Speckmann 1975) 6)1.Ke4Kd2(1....Kf22.Dh2#)2.Db2#(Speckmann 1975) 7)1.Df7Kc62.Ta6# 8)1.Kd5Kf4(1....Kd32.Tg3#)2.Dg3#(Korft 1826) 9)1.Dh3Kd2(1....Kb22.Db3#)2.Dd3#(Speckmann 1975)10)1.Td1Ke2(1....Kg22.Dd2#)2.Dd2#(Speckmann 1975)11)Drawing(Jan Timman)12)1.Dc2Kh3(1....Kf32.Tc3#)2.Tc3#(Speckmann 1975)

52 - Mate in two / Cooperation (): C 1)1.Dg2Kh52.Dg5#(Kardos 1969) 2)1.Lf1Kxf12.Dd1#(Cook, 1913)

 3)1.Df5Kg32.Lf2#(Kardos 1969) 4)1.Df4+Kh52.Le8# 5)1.Dc7Kb4(1....Ka62.Le2#)2.Dc5#(Benedek 1970) 6)1.De7Kb22.Da3#(Kaiser 1939) 7)1.La5Kd72.De6#(Ballo 1928) 8)1.De8Kf4(1....Kh62.Dg6#;1....Kh42.Dh5#)2.De3#(Grewe 1940) 9)1.Df2h5(1....Kh52.Lf3#;1....Kh32.Le6#)2.Le6# (Hoeg 1907)10)1.Lc2exf6(1....d62.Df5#;1....Kxf62.Df5#;1....d52.Dxe7#)2.Lf5#(East 1937)11)1.De3a4(1....Ka42.Db3#;1....c42.De8#)2.Dxc5#(Kubbel 1941)12)1.Lf8d4(1....b52.Kd7#)2.Ke6#(Kviatovsky 1977)

53 - Mate in two / Cooperation (): D 1)1.Df6Kh5(1....Kh32.Dh4#)2.Dg5#(Lazard 1926) 2)1.Dh3+Kg12.Pf3#(Schönberger 1926) 3)1.Kb3Kd1(1....Kxb12.Df1#)2.Df1# 4)1.Pg2Kf5(1....Kh62.Dh4#)2.Df4#(Kardos 1971) 5)1.Df1Kg3(1....Kh12.Pf3#)2.Dh3# 6)1.Dg8Ke52.Dd5# 7)1.Da4Kd32.Dc2#(Speckmann 1974) 8)1.Pb7Kd52.De4#(Loguin 1843) 9)1.Pe5+Ke32.Df2#(Lindner 1933)10)1.Pd5Ka6(1....b62.Dxb6#)2.Db6#(Schönberger 1935)11)1.Pe6+Kh5(1....Kf52.Df4#)2.Dh2#(Schönberger 1935)12)1.Pd2c42.Dd6#

54 - Mate in two / Mix: E 1)1.Dg3hxg3(1....Kxh72.Txh4#)2.Le5# (Nikitin, 2009) 2)1.Dh1g6(1....Pf52.Pg6#)2.Da1#(Barda 1956) 3)1.Te5Lxd6(1....Lxh42.Txe8#;1....Ta82.Lxe7#)2.Tf5#(Bie 1967) 4)1.b3Pb4(1....Pc32.b4#)2.Tb5#(Ahlheim 1969) 5)1.Dd6exd6(1....Txc12.Dxd7#;1....Ta72.Dxe7#)2.e7#(Lazard 1923) 6)1.Lc6d5(1....dxc62.Pxc6#;1....Txa72.Tc8#)2.Tb7#(Zimmer 2010) 7)1.Ld1Kxd1(1....cxd1D2.Db1#)2.Df1#(Zimmer 2007) 8)1.Tbb5Pc7(1....Pb62.Ta5#)2.Lb7#(Lincoln 2006) 9)1.Pa7Kb3(1....Pb62.Da2#;1....b32.Db5#)2.Dd3+(Lincoln 2006)10)1.b6Ta3(1....Txb62.Da4#;1....Tb42.Da6#)2.Dc5#(Aljebew 1994)11)1.Th5(1.Tb4Th5;1.Te5Th2)1....Txa7(1....Tb72.Da3#;1....Txh52.Db6#)2.Db5#

(Scheel 1919)12)1.Df5Txh3(1....Th72.Dxf6#;1....gxf52.Txh5#)2.Dxh3#(Russkikh 2004)

55 - Test / Mix: A 1)1.Dd6+Td72.c7+Dxc73.Df8# 2)1.Dxh7+Kxh72.Th6+Kg83.Pe7+Kg74.Pf5+# 3)1.d8L!(1.d8DLe7+2.Dxe7) 4)1.h4Dh62.Lf4 5)1.Kf5g6+(1....Lh42.g4#)2.Kxf6 6)1.Pd3Txd3(1....Lxd32.Th3#)2.g6+Kh83.g7+ 7)1.Pf6 8)1.Dg8+Txg82.f8P+Kh8(2....Kh63.Th7#)3.Th7# 9)1....g52.Le3g410)1.Lf6gxf62.exf6Tg83.Td8axb24.Dg7#11)1.Pxf6Txf62.Pg512)1.Dh8+(1.Td8+Kxd82.Dxe1Lxf2+)1....Ke72.Df6+Ke83.Dh8+

56 - Test / Mix: B 1)1....Te1+ 2)1.Da8+(1.Ka2Db7)1....Da72.Txb6+ 3)1.Th3Dg42.f3 4)1.Tb5Da62.Tb8 5)1....Df1+(1....Te3?2.De8+;2.Txh1Txg3+3.Kh2Tg5+)2.Thg2Dh1+3.Th2Df1+ 6)1....g5+2.Lxg5(2.hxg5e5+3.Kf5)2....e5+3.Kf5Le6# 7)1....Df62.Lxh6Pf3+3.Lxf3Dxb2 8)1.Df1+Dxf12.g3+Kxg5stalemate 9)1.Kc8(1.Txb2)1....Db12.Kc710)1.Dh6Dg82.f4Lxb23.e511)1.h8D+Txh82.Tfg1+Kf83.Txh8+Lxh84.Dxh8#12)1.Dxe8+Txe82.Pb5