MESON Chess Problem Database
Problem Display
PID: 227180 (2Nr4/1KP1n3/3P2B1/4PRp1/4k1n1/2PR2B1/5b2/1Q5b w - - 0 1)
Conway-Poole, IM
Sunday Chronicle, 1946
(First published on Sun Sep 8 1946)
#2
11 + 7
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Sxd6#
- 1...Be3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 1...Se3
- 2.Rd4#
- 1...Sxe5
- 2.Rf4#
- 2.Rxe5#
- 1...Sd5
- 2.Rdf3#
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sc6
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sxc8
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sg8
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxd6
- Tries
- 1.Sxe7?
- threat
- 2.Rdf3#
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rxd6
- 2.Rf6#
- 1...Bxg3
- 2.Rdf3#
- 2.Rxg3#
- 1...Sxe5
- 2.Rf4#
- 2.Rxe5#
- 1...Rf8
- 2.Rdf3#
- 2.Rf6#
- 2.Rf7#
- 2.Rxf8#
- 1...Rg8
- 2.Rdf3#
- 1...Bf3
- 2.Rdxf3#
- 2.Rfxf3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Be1
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bg1
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Be3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 2.Rd5#
- 2.Rf1#
- 2.Rf2#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bd4
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bc5
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Bb6
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Ba7
- 2.Rdf3#
- 2.Rf1#
- 2.Rf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Se3
- 2.Rd4#
- 1...Sf6
- 2.Rdf3#
- 2.Rxf2#
- 2.Rff3#
- 2.Rxg5#
- 2.Rxf6#
- 1...Sh6
- 2.Rdf3#
- 1...Rb8+!
- threat
- 1.Rd5+?
- 1...Ke3
- 2.Qd3#
- 1...Kxd5!
- 1...Ke3
- 1.Rxf2+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Rff3+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Rxg5+?
- 1...Sf5
- 2.Bxf5#
- 2.Rxg4#
- 1...Sxg6!
- 1...Sf5
- 1.Rf6+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Rf7+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Rf8+?
- 1...Sf5
- 2.Bxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Qb4+?
- 1...Bd4
- 2.Qxd4#
- 1...Kxd3+!
- 1...Bd4
- 1.e6?
- threat
- 2.Rdf3#
- 2.Re5#
- 1...Rxd6
- 2.Sxd6#
- 2.Re5#
- 1...Bxg3
- 2.Rdf3#
- 2.Rxg3#
- 1...Sxg6
- 2.Rdf3#
- 1...Bf3
- 2.Rdxf3#
- 2.Re5#
- 1...Be3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 2.Rdd5#
- 1...Se3
- 2.Rd4#
- 1...Se5
- 2.Rf4#
- 2.Rxe5#
- 1...Sxf5!
- threat
- 1.Sxe7?
- Keys
- 1.Bf7!
- threat
- 2.Rdf3#
- 1...Kxf5+
- 2.Rf3#
- 1...Rxd6
- 2.Sxd6#
- 1...Sxe5
- 2.Rxe5#
- 1...Sxf5
- 2.Bd5#
- 1...Bf3
- 2.Rdxf3#
- 1...Be3
- 2.Rd1#
- 2.Rd2#
- 2.Rd4#
- 2.Rd5#
- 1...Se3
- 2.Rd4#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(g);XP(G)::S(K),XR(g)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK
- Tries
- Try
- S(K);XS(f)
- Threat
- DUALS(7)
- Vars
- R(g);XP(G)::B(H)+R(F)
- R(g);::QAB(A)+R(C)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK
- S(d);::QAB(A)+R(C)
- Refutation
- R(g);CHECK
- Try
- R(C);CHECK
- Vars
- K(c);P-FLIGHT,P_PINR(C)::QAR1(A)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- R(F);CHECK,XB(b)
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(H),XS(f)
- Refutation
- S(f);XB(H)
- Try
- R(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(H),XS(f)
- Refutation
- S(f);XB(H)
- Try
- R(F);CHECK,XP(e)
- Refutation
- S(f);XB(H)
- Try
- R(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(H),XS(f)
- Refutation
- S(f);XB(H)
- Try
- R(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(H),XS(f)
- Refutation
- S(f);XB(H)
- Try
- R(F);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::B(H),XS(f)
- Refutation
- S(f);XB(H)
- Try
- Q(A);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAR1(A),XB(b)
- Refutation
- K(c);CHECK,S_FLIGHT,XR(C)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- S(f);XB(H)::QAB(A)+R(C)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK
- Refutation
- S(f);P_SPINS(f),XR(F)
- Try
- Actual
- B(H);
- Threat
- QAB(A)+R(C)
- Vars
- K(c);CHECK,S_FLIGHT,XR(F)::QAB(A)+R(C),DCHECK
- R(g);XP(G)::S(K),XR(g)
- S(d);OGATE,XP(E)::R1(F),XS(d)
- S(f);N_GUARD,SBLOCK,XR(F)::B(H)
- B(a);::QAB(A)+R(C),XB(a)
- S(d);SBLOCK::QAB(A)+R(C),DCHECK
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