MESON Chess Problem Database
Problem Display
PID: 9954 (8/1Q6/7p/1PrPP3/2k5/1R1R4/8/3K4 w - - 0 1)
Mansfield, Comins
Arbejder-Skak, 1961
#2
7 + 3
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...Rxb5
- Tries
- 1.Kc1?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Ke1?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Kc2?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Kd2?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Ke2?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Qa7?
- threat
- 2.Qa4#
- 1...Rxb5
- 2.Qd4#
- 1...Rc6
- 2.Qd4#
- 1...Rc7
- 2.Qd4#
- 2.Qxc7#
- 1...Rc8
- 2.Qd4#
- 1...Rxd5!
- threat
- 1.Qd7?
- threat
- 2.Qg4#
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- threat
- 1.d6?
- threat
- 2.Qe4#
- 1...Rxb5
- 2.Qxb5#
- 1...Rd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qd5#
- 2.Qxc7#
- 1...Rc8
- 2.Qd5#
- 2.Qxc8#
- 1...Rxe5!
- threat
- 1.e6?
- 1...Rxb5
- 2.Qxb5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rc6
- 2.Qxc6#
- 1...Rc7
- 2.Qxc7#
- 1...Rc8
- 2.Qxc8#
- 1...h5!
- 1...Rxb5
- 1.Kc1?
- Keys
- 1.Qe7!
- threat
- 2.Qh4#
- 1...Rxb5
- 2.Rbc3#
- 1...Rxd5
- 2.Qb4#
- 1...Rc6
- 2.Qb4#
- 1...Rc7
- 2.Qb4#
- 2.Qxc7#
- 1...Rc8
- 2.Qb4#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,P_PINR(C),XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- K(A);P-FLIGHT
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- K(A);S_FLIGHT
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- K(A);P-FLIGHT
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,P_PINR(C),XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- K(A);S_FLIGHT
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- Q(G);
- Threat
- QAR2(G)
- Vars
- R(b);OGATE,XP(D)::QAR1(G)
- R(b);OGATE::QAR1(G)
- Refutation
- R(b);P_PINR(C),XP(E)
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,P_PINR(C),XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- P(E);
- Threat
- QAR2(G)
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);N_GUARD,P_PINR(C)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- Refutation
- R(b);XP(F)
- Try
- P(F);
- Vars
- R(b);OGATE,XP(D)::QAB1(G),XR(b)
- R(b);OGATE,P_PINR(C),XP(E)::QAB1(G),XR(b)
- R(b);OGATEB::QAR2(G),XR(b)
- R(b);OGATEB::QAR(G),XR(b)
- Refutation
- P(c);
- Try
- Actual
- Q(G);
- Threat
- QAR(G)
- Vars
- R(b);SBLOCK,XP(D)::R1(B)
- R(b);OGATE,P_PINR(C),XP(E)::QAR1(G)
- R(b);OGATE::QAR1(G)
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