MESON Chess Problem Database
Problem Display
PID: 18860 (K4R2/3pQ1R1/8/3BNP2/3nrkp1/8/p2P1n1P/B7 w - - 0 1)
Chepizhni, Viktor Ivanovich
Rudenko, Valentin Fedorovich
1st Prize, Tijdschrift vd KNSB, 1958
#2
10 + 7
| 3976 | FIDE Album (1956-1958) | 1961 |
| 5862 | An ABC of Chess Problems | 1970 |
| 102 | Probleemblad | 1974 |
| 4640 | Chess Wizardry: The New ABC of Chess Problems | 1996 |
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Re3
- 2.Sg6#
- 1...Rxe5
- 2.Qg5#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qg5#
- 1...Se2
- 2.Qg5#
- 1...Sb3
- 2.Qg5#
- 1...Sf3
- 2.Sg6#
- 1...Sb5
- 2.Qg5#
- 1...Sxf5
- 2.Qg5#
- 1...Sc6
- 2.Qg5#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...Re1
- Tries
- 1.Kb7?
- 1...Rxe5
- 2.Qg5#
- 1...Sxf5
- 2.Qg5#
- 1...Re1
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Re3
- 2.Sg6#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qg5#
- 1...Se2
- 2.Qg5#
- 1...Sb3
- 2.Qg5#
- 1...Sf3
- 2.Sg6#
- 1...Sb5
- 2.Qg5#
- 1...Sc6
- 2.Qg5#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...d6!
- 1...Rxe5
- 1.Sd3+?
- 1...Sxd3
- 2.Qxe4#
- 1...Kf3!
- 1...Sxd3
- 1.Rgg8?
- 1...Rxe5
- 2.Qg5#
- 1...Sxf5
- 2.Qg5#
- 1...Re1
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Re3
- 2.Sg6#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qg5#
- 1...Se2
- 2.Qg5#
- 1...Sb3
- 2.Qg5#
- 1...Sf3
- 2.Sg6#
- 1...Sb5
- 2.Qg5#
- 1...Sc6
- 2.Qg5#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...d6!
- 1...Rxe5
- 1.Rff7?
- 1...Rxe5
- 2.Qg5#
- 1...Sxf5
- 2.Qg5#
- 1...Re1
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Re3
- 2.Sg6#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qg5#
- 1...Se2
- 2.Qg5#
- 1...Sb3
- 2.Qg5#
- 1...Sf3
- 2.Sg6#
- 1...Sb5
- 2.Qg5#
- 1...Sc6
- 2.Qg5#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...d6!
- 1...Rxe5
- 1.Qf6?
- 1...Rxe5
- 2.Qg5#
- 2.Qh6#
- 1...Sxf5
- 2.Qg5#
- 2.Qxf5#
- 2.Qh6#
- 1...Re1
- 2.Sg6#
- 1...Re2
- 2.Sg6#
- 1...Re3
- 2.Sg6#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qg5#
- 2.Qh6#
- 1...Se2
- 2.Qg5#
- 2.Qh6#
- 1...Sb3
- 2.Qg5#
- 2.Qh6#
- 1...Sf3
- 2.Sg6#
- 1...Sb5
- 2.Qg5#
- 2.Qh6#
- 1...Sc6
- 2.Qg5#
- 2.Qh6#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...d6!
- 1...Rxe5
- 1.Kb7?
- Keys
- 1.Qd6!
- 1...Rxe5
- 2.Qh6#
- 1...Sxf5
- 2.Qh6#
- 1...Re1
- 2.Sd3#
- 1...Re2
- 2.Sd3#
- 1...Re3
- 2.Sd3#
- 1...Sd1
- 2.Rxg4#
- 1...Sh1
- 2.Rxg4#
- 1...Sd3
- 2.Rxg4#
- 1...Sh3
- 2.Rxg4#
- 1...Sc2
- 2.Qh6#
- 1...Se2
- 2.Qh6#
- 1...Sb3
- 2.Qh6#
- 1...Sf3
- 2.Sd3#
- 1...Sb5
- 2.Qh6#
- 1...Sc6
- 2.Qh6#
- 1...Se6
- 2.fxe6#
- 1...g3
- 2.hxg3#
- 1...Rxe5
- 1.Qd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 11
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);::S(E)
- R(d);SBLOCK,XS(E)::QAB1(G)
- S(b);N_GUARD::R1(H),XP(f)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(E)
- S(c);P_SPINS(c),XP(F)::QAB1(G)
- S(c);OGATE::R(J)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- R(d);SBLOCK,XS(E)::QAB1(G)
- S(c);P_SPINS(c),XP(F)::QAB1(G)
- R(d);::S(E)
- S(b);N_GUARD::R1(H),XP(f)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(E)
- S(c);OGATE::R(J)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
- Refutation
- P(g);
- Try
- S(E);CHECK
- Vars
- S(b);XS(E)::QAR1(G),XR(d)
- Refutation
- K(e);P-FLIGHT,P_SPINR(d)
- Try
- R(H);
- Vars
- R(d);SBLOCK,XS(E)::QAB1(G)
- S(c);P_SPINS(c),XP(F)::QAB1(G)
- R(d);::S(E)
- S(b);N_GUARD::R1(H),XP(f)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(E)
- S(c);OGATE::R(J)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
- Refutation
- P(g);
- Try
- R(J);
- Vars
- R(d);SBLOCK,XS(E)::QAB1(G)
- S(c);P_SPINS(c),XP(F)::QAB1(G)
- R(d);::S(E)
- S(b);N_GUARD::R1(H),XP(f)
- S(c);::QAB1(G)
- S(c);SBLOCK::S(E)
- S(c);OGATE::R(J)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
- Refutation
- P(g);
- Try
- Q(G);
- Vars
- R(d);::S(E)
- S(b);N_GUARD::R1(H),XP(f)
- S(c);SBLOCK::S(E)
- S(c);OGATE::QAR(G)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
- Refutation
- P(g);
- Try
- Actual
- Q(G);
- Vars
- R(d);P_SPINR(d),SBLOCK,XS(E)::QAB(G)
- S(c);P_SPINS(c),XP(F)::QAB(G)
- R(d);::QAB(G)+S(E),DCHECK
- S(b);N_GUARD::R1(H),XP(f)
- S(c);::QAB(G)
- S(c);SBLOCK::QAB(G)+S(E),DCHECK
- S(c);OGATE::R(J)+P(F),XS(c)
- P(f);OGATE::P(C),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).