MESON Chess Problem Database
Problem Display
PID: 271622 (5BN1/3p1K1p/r2PPR2/p1Rpkp2/Q5p1/5pq1/4PP2/6n1 w - - 0 1)
Doukhan, Gerard
Schweizerische Schachzeitung, 2022
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...dxe6
- 2.Rxe6#
- 1...dxe6
- Tries
- 1.Sh6?
- threat
- 2.Rxf5#
- 1...dxe6
- 2.Rxe6#
- 1...f4
- 2.Rf5#
- 1...Qf4!
- threat
- 1.Qc4?
- threat
- 2.Rxd5#
- 1...dxe6
- 2.Rxe6#
- 1...Rxd6!
- threat
- 1.e3?
- threat
- 2.Qd4#
- 1...Qf4
- 2.Qxf4#
- 2.exf4#
- 1...Se2!
- threat
- 1.e4?
- threat
- 2.Rxf5#
- 1...Kf4
- 2.Rxf5#
- 1...fxe4
- 2.Qa1#
- 1...Qf4
- 2.Rxd5#
- 1...f4
- 2.Rxd5#
- 2.Rf5#
- 1...dxe6!
- threat
- 1.exd7?
- threat
- 2.Re6#
- 1...Rxd6
- 2.Bxd6#
- 1...f4!
- threat
- 1.Sh6?
- Keys
- 1.Se7!
- threat
- 2.Rxd5#
- 1...Kxd6
- 2.Sg6#
- 1...Rxd6
- 2.Rxf5#
- 1...dxe6
- 2.Rxe6#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(j);OGATE,XP(F)::R1(G),XP(j)
- Tries
- Try
- S(J);
- Threat
- R1(G),XP(h)
- Vars
- P(j);OGATE,XP(F)::R1(G),XP(j)
- P(h);::R1(G)
- Refutation
- Q(c);
- Try
- Q(C);
- Threat
- R1(D),XP(f)
- Vars
- P(j);OGATE,XP(F)::R1(G),XP(j)
- Refutation
- R(i);XP(E)
- Try
- P(A);
- Threat
- QAB1(C)
- Refutation
- S(a);
- Try
- P(A);
- Threat
- R1(G),XP(h)
- Vars
- K(g);N_SPINP(f),P_SPINP(h),S_FLIGHT::R1(G),XP(h)
- P(h);SBLOCK,XP(A)::QAB(C)
- Q(c);SBLOCK::R1(D),XP(f)
- Refutation
- P(j);XP(F)
- Try
- P(F);XP(j)
- Threat
- R1(G)
- Vars
- R(i);OGATE,XP(E)::B(I),XR(i)
- Refutation
- P(h);
- Try
- Actual
- S(J);
- Threat
- R1(D),XP(f)
- Vars
- K(g);N_SPINP(f),S_CUTP(k),S_FLIGHT,XP(E)::B(I)+S(J)
- R(i);SBLOCK,XP(E)::R1(G),XP(h)
- P(j);OGATE,XP(F)::R1(G),XP(j)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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