MESON Chess Problem Database
Problem Display
PID: 59449 (QBB1r3/R4N1p/KR4bb/p2r3p/4kp1N/2P2p2/2P2P2/8 w - - 0 1)
Rice, John Michael
WCSC, 1997
#2
11 + 10
| 5396 | World Chess Solving Championship 1977-1996 | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Rxe7#
- 1...Rxc8
- 2.Re6#
- 2.Re7#
- 1...Rd8
- 2.Re6#
- 2.Re7#
- 1...Rf8
- 2.Re6#
- 2.Re7#
- 1...Rg8
- 2.Re6#
- 2.Re7#
- 1...Rh8
- 2.Re6#
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bxf7
- 2.Bf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re5
- Tries
- 1.Sxh6?
- 1...Rxc8
- 2.Re6#
- 2.Re7#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Rxe7#
- 1...Rd8
- 2.Re6#
- 2.Re7#
- 1...Rf8
- 2.Re6#
- 2.Re7#
- 1...Rg8
- 2.Re6#
- 2.Re7#
- 1...Rh8
- 2.Re6#
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bf7
- 2.Bf5#
- 1...a4
- 2.Rb4#
- 1...Re5!
- 1...Rxc8
- 1.Bc7?
- 1...Rxc8
- 2.Re6#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 1...Rd8
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re7!
- 1...Rxc8
- 1.Be6?
- threat
- 2.Bxd5#
- 2.Qxd5#
- 1...Rxe6
- 2.Rxe6#
- 1...Bxf7
- 2.Bf5#
- 2.Qxd5#
- 1...Rd8!
- threat
- 1.Bb7?
- threat
- 2.Bxd5#
- 1...Re5
- 2.Sd6#
- 1...Rd8
- 2.Re6#
- 1...Bxf7!
- threat
- 1.Bd7?
- 1...Rxb8
- 2.Re6#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 1...Rc8
- 2.Re6#
- 1...Rd8
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re7!
- 1...Rxb8
- 1.Rb2?
- 1...Rxc8
- 2.Re7#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re7
- 2.Rxe7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re6+!
- 1...Rxc8
- 1.Rb3?
- 1...Rxc8
- 2.Re7#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re7
- 2.Rxe7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re6+!
- 1...Rxc8
- 1.Rb5?
- threat
- 2.Qxd5#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Rd8
- 2.Re7#
- 1...Re6+!
- threat
- 1.Rc6?
- threat
- 2.Rc4#
- 1...Rxc8
- 2.Re6#
- 1...Rc5
- 2.Rxc5#
- 2.Re6#
- 1...Rd6
- 2.Rxd6#
- 1...Re6
- 2.Rxe6#
- 1...Bg7!
- threat
- 1.Rf6?
- 1...Re6+
- 2.Rxe6#
- 1...Rxc8
- 2.Re6#
- 2.Re7#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re7
- 2.Rxe7#
- 1...Rd8
- 2.Re6#
- 2.Re7#
- 1...Rf8
- 2.Re6#
- 2.Re7#
- 1...Rg8
- 2.Re6#
- 2.Re7#
- 1...Rh8
- 2.Re6#
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 2.Rxf4#
- 1...Bf8
- 2.Sg5#
- 2.Rxf4#
- 1...a4!
- 1...Re6+
- 1.Rxg6?
- threat
- 2.Bf5#
- 1...Re6+
- 2.Rxe6#
- 1...Rxc8
- 2.Re6#
- 2.Re7#
- 1...Re5
- 2.Sd6#
- 1...hxg6!
- threat
- 1.Rc7?
- threat
- 2.Rc4#
- 1...Rxc8
- 2.Re6#
- 2.Re7#
- 1...Bg7!
- threat
- 1.Rd7?
- threat
- 2.Qxd5#
- 1...Re5
- 2.Sd6#
- 1...Bxf7!
- threat
- 1.Qc6?
- 1...Rxc8
- 2.Re7#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re7
- 2.Rxe7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re6!
- 1...Rxc8
- 1.Qb7?
- 1...Rxc8
- 2.Re6#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 1...Rd8
- 2.Re6#
- 1...Rf8
- 2.Re6#
- 1...Rg8
- 2.Re6#
- 1...Rh8
- 2.Re6#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Re7!
- 1...Rxc8
- 1.Sxh6?
- Keys
- 1.Bh3!
- 1...Rxb8
- 2.Re6#
- 2.Re7#
- 1...Bxf7
- 2.Bf5#
- 1...Re5
- 2.Sd6#
- 1...Re6
- 2.Rxe6#
- 1...Re7
- 2.Rxe7#
- 1...Rc8
- 2.Re6#
- 2.Re7#
- 1...Rd8
- 2.Re6#
- 2.Re7#
- 1...Rf8
- 2.Re6#
- 2.Re7#
- 1...Rg8
- 2.Re6#
- 2.Re7#
- 1...Rh8
- 2.Re6#
- 2.Re7#
- 1...Bf5
- 2.Bxf5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...a4
- 2.Rb4#
- 1...Rxb8
- 1.Bh3!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(j);SBLOCK::S(H)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(G),XR(j)
- B(g);N_GUARD::B(K),XB(g)
- B(g);N_GUARD,XS(H)::B(K)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Tries
- Try
- S(H);XB(h)
- Vars
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(G),XR(j)
- B(g);N_GUARD::B(K),XB(g)
- B(g);N_GUARD::B(K)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);
- Try
- B(J);
- Vars
- R(j);N_GUARD,XB(K)::R(F)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(F)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- R(j);OGATE,P_PINR(F),XB(K)::R(F),XR(j)
- Refutation
- R(j);
- Try
- B(K);
- Threat
- B(K),XR(e)
- Vars
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(F)
- Refutation
- B(g);XS(H)
- Try
- B(K);
- Vars
- R(j);N_GUARD,XB(J)::R(F)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(F)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);
- Try
- R(F);
- Vars
- R(j);N_GUARD,XB(K)::R(G)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(G),XR(j)
- R(j);N_GUARD::R(G)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);CHECK
- Try
- R(F);
- Vars
- R(j);N_GUARD,XB(K)::R(G)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(G),XR(j)
- R(j);N_GUARD::R(G)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);CHECK
- Try
- R(F);
- Threat
- QAB1(I),XR(e)
- Vars
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(G)
- Refutation
- R(j);CHECK
- Try
- R(F);N_PINR(e)
- Threat
- R(F)
- Vars
- R(j);N_GUARD,XB(K)::R(F)
- R(e);OGATEB,P_PINR(F)::QAB(I)+R(F),XR(e)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- Refutation
- B(h);
- Try
- R(F);
- Vars
- R(j);CHECK,N_GUARD::R(F),XR(j)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(G),XR(j)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- Refutation
- P(d);
- Try
- R(F);XB(g)
- Threat
- B(K)
- Vars
- R(j);CHECK,N_GUARD::R(F),XR(j)
- R(j);SBLOCK::S(H)
- Refutation
- P(i);XR(F)
- Try
- R(G);
- Threat
- R(G)
- Refutation
- B(h);
- Try
- R(G);
- Threat
- QAB1(I),XR(e)
- Vars
- R(j);SBLOCK::S(H)
- Refutation
- B(g);XS(H)
- Try
- Q(I);
- Vars
- R(j);N_GUARD,XB(K)::R(G)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD::R(G),XR(j)
- R(j);N_GUARD::R(G)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);
- Try
- Q(I);
- Vars
- R(j);N_GUARD,XB(K)::R(F)
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(F)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
- Refutation
- R(j);
- Try
- Actual
- B(K);
- Vars
- B(g);N_GUARD,XS(H)::B(K)
- R(j);SBLOCK::S(H)
- R(j);N_GUARD,P_PINR(F)::R(F),XR(j)
- R(j);N_GUARD::R(G),XR(j)
- B(g);N_GUARD::B(K),XB(g)
- B(h);N_GUARD::S(H),XB(h)
- B(h);N_GUARD::S(H)
- P(d);N_GUARD::R(F)
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