MESON Chess Problem Database
Problem Display
PID: 35554 (3n2Bq/4r2b/4N3/1R2p1p1/3pkB2/4p2Q/4P3/1K6 w - - 0 1)
Pilchenko, Viacheslav Karlovich
1st Prize, Probleemblad, 1993
#2
7 + 9
| 3705 | Album Russia (1992-1994) | 2000 |
| 3681 | FIDE Album (1992-1994) | 2001 |
| 81 | Chess | 2011 |
| 136 | Problem Observer | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qxg8
- 2.Rxe5#
- 1...Rg7
- 2.Rxe5#
- 1...Bf5
- 2.Qg2#
- 2.Qf3#
- 1...exf4
- 2.Sxg5#
- 2.Qf3#
- 1...gxf4
- 2.Sc5#
- 2.Sg5#
- 1...Qxg8
- Tries
- 1.Bxe3?
- threat
- 2.Sc5#
- 2.Sxg5#
- 2.Qf3#
- 1...Qxg8
- 2.Qf3#
- 1...Rxe6
- 2.Qf3#
- 1...Bxg8
- 2.Sxg5#
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...dxe3
- 2.Qg4#
- 2.Qf3#
- 1...Qf6
- 2.Sc5#
- 1...Qg7
- 2.Sc5#
- 2.Qf3#
- 1...Rc7
- 2.Sxg5#
- 2.Qf3#
- 1...Rf7
- 2.Sxg5#
- 1...Rg7
- 2.Sc5#
- 2.Qf3#
- 1...Sb7
- 2.Sxg5#
- 2.Qf3#
- 1...Sf7
- 2.Qf3#
- 1...g4!
- threat
- 1.Bg3?
- threat
- 2.Sc5#
- 2.Sxg5#
- 2.Qg4#
- 1...Qxg8
- 2.Rxe5#
- 2.Qg4#
- 1...Rxe6
- 2.Qg4#
- 1...Bxg8
- 2.Sxg5#
- 2.Qg4#
- 1...g4
- 2.Qxg4#
- 1...Qf6
- 2.Sc5#
- 1...Qg7
- 2.Sc5#
- 2.Qg4#
- 1...Rc7
- 2.Sxg5#
- 2.Qg4#
- 1...Rf7
- 2.Sxg5#
- 1...Rg7
- 2.Sc5#
- 2.Rxe5#
- 2.Qg4#
- 1...Bf5
- 2.Sc5#
- 2.Sxg5#
- 2.Qg2#
- 1...Sb7
- 2.Sxg5#
- 2.Qg4#
- 1...Sf7
- 2.Qg4#
- 1...d3
- 2.Qg4#
- 1...Sxe6!
- threat
- 1.Bxe5?
- threat
- 2.Sxg5#
- 2.Qg4#
- 2.Qf3#
- 1...Qxe5
- 2.Qf3#
- 1...Qxg8
- 2.Qg4#
- 2.Qf3#
- 1...Rxe6
- 2.Qg4#
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...g4
- 2.Qxg4#
- 1...Qg7
- 2.Qg4#
- 2.Qf3#
- 1...Rf7
- 2.Sxg5#
- 1...Rg7
- 2.Qg4#
- 2.Qf3#
- 1...Bf5
- 2.Sxg5#
- 2.Qg2#
- 2.Qf3#
- 1...Sf7
- 2.Qg4#
- 2.Qf3#
- 1...Qf6!
- threat
- 1.Bxg5?
- threat
- 2.Sc5#
- 2.Qg4#
- 2.Qf3#
- 1...Qxg8
- 2.Qg4#
- 2.Qf3#
- 1...Rxe6
- 2.Qg4#
- 2.Qf3#
- 1...Bxg8
- 2.Qg4#
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...Qf6
- 2.Sc5#
- 1...Rc7
- 2.Qg4#
- 2.Qf3#
- 1...Bf5
- 2.Sc5#
- 2.Qg2#
- 2.Qf3#
- 1...Sb7
- 2.Qg4#
- 2.Qf3#
- 1...Sf7
- 2.Qg4#
- 2.Qf3#
- 1...d3
- 2.Qg4#
- 2.Qf3#
- 1...Rf7!
- threat
- 1.Bxh7+?
- 1...Qxh7
- 2.Rxe5#
- 1...Rxh7!
- 1...Qxh7
- 1.Qg4?
- threat
- 2.Sc5#
- 2.Sxg5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Qxg8
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 2.Rxe5#
- 1...Rxe6
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Bxg8
- 2.Sxg5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...exf4
- 2.Sxg5#
- 2.Qf3#
- 1...gxf4
- 2.Sc5#
- 2.Sg5#
- 1...Qf6
- 2.Sc5#
- 1...Qg7
- 2.Sc5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Rc7
- 2.Sxg5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Rf7
- 2.Sxg5#
- 1...Rg7
- 2.Sc5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 2.Rxe5#
- 1...Bf5
- 2.Sc5#
- 2.Sxg5#
- 2.Qf3#
- 2.Qg2#
- 1...Sb7
- 2.Sxg5#
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Sf7
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...d3
- 2.Bh2#
- 2.Bg3#
- 2.Bxe5#
- 2.Bxg5#
- 1...Sxe6!
- threat
- 1.Qxh7+?
- 1...Qxh7
- 2.Rxe5#
- 1...Rxh7!
- 1...Qxh7
- 1.Bxe3?
- Keys
- 1.Bh2!
- threat
- 2.Sc5#
- 2.Sxg5#
- 2.Qg4#
- 2.Qf3#
- 1...Qxg8
- 2.Rxe5#
- 2.Qg4#
- 2.Qf3#
- 1...Rxe6
- 2.Qg4#
- 2.Qf3#
- 1...Bxg8
- 2.Sxg5#
- 2.Qg4#
- 2.Qf3#
- 1...Sxe6
- 2.Qf3#
- 1...g4
- 2.Qxg4#
- 1...Qf6
- 2.Sc5#
- 1...Qg7
- 2.Sc5#
- 2.Qg4#
- 2.Qf3#
- 1...Rc7
- 2.Sxg5#
- 2.Qg4#
- 2.Qf3#
- 1...Rf7
- 2.Sxg5#
- 1...Rg7
- 2.Sc5#
- 2.Rxe5#
- 2.Qg4#
- 2.Qf3#
- 1...Bf5
- 2.Sc5#
- 2.Sxg5#
- 2.Qg2#
- 2.Qf3#
- 1...Sb7
- 2.Sxg5#
- 2.Qg4#
- 2.Qf3#
- 1...Sf7
- 2.Qg4#
- 2.Qf3#
- 1...d3
- 2.Qg4#
- 2.Qf3#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- Q(i);N_GUARD,XB(G)::R1(E),XP(d)
- R(f);S_CUTQ(i)::R1(E),XP(d)
- Tries
- Try
- B(D);XP(a)
- Threat
- DUALS(3)
- Vars
- Q(i);XB(G)::QAB1(C)
- R(f);XS(F)::QAB1(C)
- S(h);XS(F)::QAB1(C)
- Q(i);::S(F)
- R(f);::S(F),XP(e)
- S(h);::QAB1(C)
- Refutation
- P(e);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- R(f);XS(F)::QAR2(C)
- P(e);::QAR2(C),XP(e)
- Q(i);::S(F)
- R(f);::S(F),XP(e)
- S(h);::QAR2(C)
- P(b);::QAR2(C)
- Refutation
- S(h);XS(F)
- Try
- B(D);XP(d)
- Threat
- DUALS(3)
- Vars
- Q(i);XB(D)::QAB1(C)
- S(h);XS(F)::QAB1(C)
- P(e);::QAR2(C),XP(e)
- R(f);::S(F),XP(e)
- Refutation
- Q(i);
- Try
- B(D);XP(e)
- Threat
- DUALS(3)
- Vars
- S(h);XS(F)::QAB1(C)
- Q(i);::S(F)
- Refutation
- R(f);
- Try
- B(G);CHECK,XB(g)
- Vars
- Q(i);XB(G)::R1(E),XP(d)
- Refutation
- R(f);XB(G)
- Try
- Q(C);
- Threat
- DUALS(6)
- Vars
- Q(i);::S(F)
- R(f);::S(F),XP(e)
- Refutation
- S(h);XS(F)
- Try
- Q(C);CHECK,XB(g)
- Vars
- Q(i);XQ(C)::R1(E),XP(d)
- Refutation
- R(f);XQ(C)
- Try
- Actual
- B(D);
- Threat
- DUALS(4)
- Vars
- S(h);XS(F)::QAB1(C)
- P(e);::QAR2(C),XP(e)
- Q(i);::S(F)
- R(f);::S(F),XP(e)
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).