MESON Chess Problem Database
Problem Display
PID: 55622 (B6b/1R5q/4p1N1/3R1ppP/2p1k3/3p2Pp/2rp4/1r1Q2BK w - - 0 1)
Mansfield, Comins
1st Prize, L'Italia Scacchistica, 1976
#2
9 + 12
| 3771 | FIDE Album (1974-1976) | 1980 |
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rd7#
- 1...Bd4
- 2.Rxd4#
- 1...Be5
- 2.Rxe5#
- 1...Kxd5
- Tries
- 1.Rxd3?
- threat
- 2.Qe2#
- 2.Qf3#
- 1...Kxd3
- 2.Qf3#
- 1...Qxg6
- 2.Qe2#
- 1...Qxh5
- 2.Rbb3#
- 1...Rxd1
- 2.Rbd7#
- 1...cxd3
- 2.Rb4#
- 1...Bd4
- 2.Rxd4#
- 2.Qf3#
- 1...g4
- 2.Qe2#
- 1...f4!
- threat
- 1.Rbb5?
- threat
- 2.Rd4#
- 2.Re5#
- 2.Rd7#
- 1...Rxb5
- 2.Rd4#
- 2.Re5#
- 1...exd5
- 2.Bxd5#
- 1...Qg8
- 2.Rd4#
- 2.Re5#
- 2.Rd8#
- 1...Qa7
- 2.Rd4#
- 2.Re5#
- 1...Qc7
- 2.Rd4#
- 2.Re5#
- 1...Qd7
- 2.Rd4#
- 2.Re5#
- 2.Rxd7#
- 1...Ra1
- 2.Rd4#
- 2.Re5#
- 1...Ra2
- 2.Rd4#
- 2.Re5#
- 1...Bd4
- 2.Rxd4#
- 2.Re5#
- 2.Rd7#
- 1...Be5
- 2.Rd4#
- 2.Rxe5#
- 2.Rd7#
- 1...e5
- 2.Rd4#
- 2.Rxe5#
- 2.Rd7#
- 1...Qb7!
- threat
- 1.Rbd7?
- threat
- 2.Rd4#
- 2.Rb5#
- 2.Re5#
- 1...Qxg6
- 2.Rb5#
- 1...Qxd7
- 2.Rd4#
- 2.Re5#
- 1...exd5
- 2.Bxd5#
- 1...Qg8
- 2.Rd4#
- 2.Re5#
- 1...Ra1
- 2.Rd4#
- 2.Ra5#
- 2.Re5#
- 1...Rb5
- 2.Rd4#
- 2.Rxb5#
- 2.Re5#
- 1...Rb6
- 2.Rd4#
- 2.Re5#
- 1...Rb8
- 2.Rd4#
- 2.Re5#
- 1...Ra2
- 2.Rd4#
- 2.Re5#
- 1...Bd4
- 2.Rxd4#
- 2.Rb5#
- 2.Re5#
- 1...Be5
- 2.Rd4#
- 2.Rb5#
- 2.Rxe5#
- 1...f4
- 2.Rb5#
- 2.Re5#
- 1...e5
- 2.Rd4#
- 2.Rb5#
- 2.Rxe5#
- 1...Rb7!
- threat
- 1.Re7?
- threat
- 2.Rd4#
- 2.Rb5#
- 2.Re5#
- 1...Qxg6
- 2.Rb5#
- 1...Qxe7
- 2.Rd4#
- 2.Re5#
- 1...Qg8
- 2.Rd4#
- 2.Re5#
- 1...Ra1
- 2.Rd4#
- 2.Ra5#
- 2.Re5#
- 1...Rb5
- 2.Rd4#
- 2.Rxb5#
- 2.Re5#
- 1...Rb6
- 2.Rd4#
- 2.Re5#
- 1...Rb8
- 2.Rd4#
- 2.Re5#
- 1...Ra2
- 2.Rd4#
- 2.Re5#
- 1...Bd4
- 2.Rxd4#
- 2.Rb5#
- 2.Re5#
- 1...Be5
- 2.Rd4#
- 2.Rb5#
- 2.Rxe5#
- 1...f4
- 2.Rb5#
- 2.Re5#
- 1...e5
- 2.Rd4#
- 2.Rb5#
- 2.Rdxe5#
- 1...Rb7!
- threat
- 1.Rg7?
- threat
- 2.Rd4#
- 2.Rb5#
- 2.Re5#
- 1...Qxg6
- 2.Rb5#
- 1...Qxg7
- 2.Rd4#
- 2.Re5#
- 1...Rb7
- 2.Rd4#
- 2.Re5#
- 1...Qg8
- 2.Rd4#
- 2.Re5#
- 1...Ra1
- 2.Rd4#
- 2.Ra5#
- 2.Re5#
- 1...Rb5
- 2.Rd4#
- 2.Rxb5#
- 2.Re5#
- 1...Rb6
- 2.Rd4#
- 2.Re5#
- 1...Rb8
- 2.Rd4#
- 2.Re5#
- 1...Ra2
- 2.Rd4#
- 2.Re5#
- 1...f4
- 2.Rb5#
- 2.Re5#
- 1...e5
- 2.Rd4#
- 2.Rb5#
- 2.Rxe5#
- 1...exd5!
- threat
- 1.Qe2+?
- 1...Kxd5
- 2.Rd7#
- 1...dxe2!
- 1...Kxd5
- 1.Rxd3?
- Keys
- 1.Rxf5!
- threat
- 2.Qf3#
- 2.Qg4#
- 1...Kxf5
- 2.Qf3#
- 1...Qxh5
- 2.Rbb5#
- 1...Rxd1
- 2.Rbf7#
- 1...exf5
- 2.Re7#
- 1...Be5
- 2.Rxe5#
- 2.Qf3#
- 1...e5
- 2.Qf3#
- 1...Qc7
- 2.Qf3#
- 1...g4
- 2.Qxg4#
- threat
- 1.Rxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- K(g);OGATEB,S_FLIGHT,XR(E)::B(I)+R(H),DCHECK
- B(l);N_GUARD::R1(E),XB(l)
- Tries
- Try
- R(E);XP(d)
- Threat
- DUALS(2)
- Vars
- K(g);P_SPINP(c),S_FLIGHT,XR(E)::QAR2(A)
- Q(k);XS(G)::QAR2(A)
- Q(k);N_GUARD,XP(F)::B(I)+R(H)
- R(a);N_GUARD,P_PINB(B),XQ(A)::B(I)+R(H)
- P(f);SBLOCK,XR(E)::B(I)+R(H),DCHECK
- P(i);::QAR2(A)
- Refutation
- P(h);
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- P(j);OGATE,P_SPINP(j),XR(E)::B(I),XP(j)
- Refutation
- Q(k);
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- Q(k);XS(G)::B(I)+R(E)
- P(j);OGATE,P_SPINP(j),XR(E)::B(I),XP(j)
- Refutation
- R(a);
- Try
- R(H);P_PINP(j)
- Threat
- DUALS(3)
- Vars
- Q(k);XS(G)::B(I)+R(E)
- Refutation
- R(a);
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- Q(k);XS(G)::B(I)+R(E)
- Refutation
- P(j);P_SPINP(j),XR(E)
- Try
- Q(A);CHECK,P_SPINB(B)
- Vars
- K(g);S_FLIGHT,XR(E)::B(I)+R(H),DCHECK
- Refutation
- P(d);XQ(A)
- Try
- Actual
- R(E);XP(h)
- Threat
- DUALS(2)
- Vars
- K(g);S_FLIGHT,XR(E)::QAR2(A)
- Q(k);N_GUARD,XP(F)::B(I)+R(H)
- R(a);N_GUARD,P_PINB(B),XQ(A)::B(I)+R(H)
- P(j);SBLOCK,XR(E)::B(I)+R(H),DCHECK
- P(j);::QAB1(A)
- Q(k);::QAB1(A)
- P(i);::QAR2(A),XP(i)
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