MESON Chess Problem Database
Problem Display
PID: 133551 (8/3p2p1/3R2Bb/2PpKpp1/2Ppp1P1/1P1kPP2/R7/Bn3N2 w - - 0 1)
Rice, John Michael
The Problemist, 1987
#2
12 + 10
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...dxe3
- 2.Rxd5#
- 1...exf3
- 2.Bxf5#
- 1...dxc4
- 2.Rxd4#
- 1...Sd2
- Tries
- 1.Kxd5?
- 1...dxe3
- 2.Ke5#
- 1...exf3
- 2.Bxf5#
- 1...fxg4
- 2.Bxe4#
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...f4
- 2.Bxe4#
- 1...Sc3+!
- 1...dxe3
- 1.Bxf5?
- 1...dxe3
- 2.Bxe4#
- 2.Rxd5#
- 1...dxc4
- 2.Bxe4#
- 2.Rxd4#
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...g6!
- 1...dxe3
- 1.Rxd5?
- threat
- 2.Rxd4#
- 1...Sd2
- 2.Rxd2#
- 1...d6+!
- threat
- 1.fxe4?
- 1...dxe3
- 2.Rxd5#
- 1...dxc4
- 2.Rxd4#
- 1...dxe4
- 2.Rxd4#
- 1...fxg4
- 2.exd5#
- 1...Sd2
- 2.Rxd2#
- 1...f4
- 2.exd5#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...fxe4!
- 1...dxe3
- 1.cxd5?
- 1...exf3
- 2.Bxf5#
- 1...fxg4
- 2.Bxe4#
- 1...Sd2
- 2.Rxd2#
- 1...f4
- 2.Bxe4#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...dxe3!
- 1...exf3
- 1.gxf5?
- 1...dxe3
- 2.Rxd5#
- 1...exf3
- 2.f6#
- 1...dxc4
- 2.Rxd4#
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...g4!
- 1...dxe3
- 1.Kxd5?
- Keys
- 1.Kxf5!
- 1...dxe3
- 2.Rxd5#
- 1...exf3
- 2.Ke5#
- 1...dxc4
- 2.Rxd4#
- 1...Sd2
- 2.Rxd2#
- 1...Sa3
- 2.Rd2#
- 1...Sc3
- 2.Rd2#
- 1...dxe3
- 1.Kxf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(c);OGATEB,P_SPINP(e),XP(E)::R(K),XP(e)
- P(d);OGATEB,P_SPINP(f),XP(F)::B(L),XP(f)
- P(e);OGATE,P_SPINP(c),XP(G)::R1(K),XP(c)
- Tries
- Try
- K(J);P-FLIGHT,XP(e)
- Vars
- P(c);XP(E)::R(K)+K(J)
- P(d);OGATEB,P_SPINP(f),XP(F)::B(L),XP(f)
- P(f);OGATE,P_SPINP(d),XP(H)::B(L),XP(d)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- P(f);OGATE,P_SPINP(d)::B(L),XP(d)
- Refutation
- S(a);CHECK
- Try
- B(L);P_PINP(d),XP(f)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(j);
- Try
- R(K);P_PINP(c),XP(e)
- Threat
- R1(K),XP(c)
- Vars
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- P(i);CHECK
- Try
- P(F);XP(d)
- Vars
- P(c);OGATEB,P_SPINP(e),XP(E)::R(K),XP(e)
- P(e);OGATE,P_SPINP(c),XP(G)::R1(K),XP(c)
- P(e);OGATE,P_SPINP(c),XP(F)::R1(K),XP(c)
- P(f);XP(H)::B(L)+P(F),XP(e)
- S(a);N_GUARD::R1(C),XS(a)
- P(f);::B(L)+P(F),XP(e)
- S(a);N_GUARD::R1(C)
- Refutation
- P(f);P_SPINP(f),XP(F)
- Try
- P(G);XP(e)
- Vars
- P(d);OGATEB,P_SPINP(f),XP(F)::B(L),XP(f)
- P(f);OGATE,P_SPINP(d),XP(H)::B(L),XP(d)
- S(a);N_GUARD::R1(C),XS(a)
- P(f);OGATE,P_SPINP(d)::B(L),XP(d)
- S(a);N_GUARD::R1(C)
- Refutation
- P(c);XP(E)
- Try
- P(H);XP(f)
- Vars
- P(c);OGATEB,P_SPINP(e),XP(E)::R(K),XP(e)
- P(d);XP(F)::B(L)+P(H)
- P(e);OGATE,P_SPINP(c),XP(G)::R1(K),XP(c)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(g);
- Try
- Actual
- K(J);P-FLIGHT,XP(f)
- Vars
- P(c);OGATEB,P_SPINP(e),XP(E)::R(K),XP(e)
- P(d);XP(F)::B(L)+K(J)
- P(e);OGATE,P_SPINP(c),XP(G)::R1(K),XP(c)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
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