MESON Chess Problem Database
Problem Display
PID: 10404 (4Q3/1B5p/5p1N/3q3p/4Rp2/2b1pk2/8/2N1B2K w - - 0 1)
Mansfield, Comins
Glasgow Herald, 1964
#2
7 + 8
| 4054 | Complete Mansfield/III | 1999 |
| 5454 | Near Snap | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Rxe3#
- 2.Rc4#
- 2.Qxh5#
- 1...Qb3
- 2.Rxe3#
- 2.Qxh5#
- 1...Qc4
- 2.Rxe3#
- 2.Rxc4#
- 2.Qxh5#
- 1...Qxe4
- 2.Bxe4#
- 2.Qxh5#
- 2.Qxe4#
- 1...Qe6
- 2.Rxe6#
- 1...Qf7
- 2.Rxe3#
- 1...Qg8
- 2.Rxe3#
- 2.Re6#
- 1...Qd1
- 2.Rxe3#
- 2.Rd4#
- 2.Qxh5#
- 1...Qd2
- 2.Rxe3#
- 2.Rd4#
- 2.Qxh5#
- 1...Qd3
- 2.Rxe3#
- 2.Qxh5#
- 1...Qd4
- 2.Rxe3#
- 2.Rxd4#
- 2.Qxh5#
- 1...Qa5
- 2.Rxe3#
- 1...Qb5
- 2.Rxe3#
- 1...Qc5
- 2.Rxe3#
- 1...Qe5
- 2.Rxe5#
- 1...Qf5
- 2.Rxe3#
- 1...Qg5
- 2.Rxe3#
- 2.Re5#
- 1...Qd6
- 2.Rxe3#
- 2.Qxh5#
- 1...Qd7
- 2.Rxe3#
- 1...Qd8
- 2.Rxe3#
- 2.Qxh5#
- 1...Qa2
- Tries
- 1.Bxd5?
- threat
- 2.Rxe3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Qxh5#
- 1...Bb4
- 2.Rxe3#
- 2.Rxb4#
- 2.Rc4#
- 2.Rd4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Qxh5#
- 1...Bd4
- 2.Rxe3#
- 2.Rxd4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Qxh5#
- 1...Be5
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Rxe5#
- 2.Qxh5#
- 1...e2
- 2.Rxe2#
- 2.Re3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Qxh5#
- 1...h4
- 2.Rxe3#
- 2.Ra4#
- 2.Rb4#
- 2.Rc4#
- 2.Rd4#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Ra4?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 2.Qxe4#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...Bb4
- 2.Bxd5#
- 1...Bd4
- 2.Bxd5#
- 1...e2
- 2.Bxd5#
- 2.Qxe2#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Rb4?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Bxb4
- 2.Bxd5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 2.Qxe4#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...Bd4
- 2.Bxd5#
- 1...e2
- 2.Bxd5#
- 2.Qxe2#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Rc4?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 2.Qxe4#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...Bd4
- 2.Bxd5#
- 1...e2
- 2.Bxd5#
- 2.Rxc3#
- 2.Qxe2#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Rd4?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Bxd4
- 2.Bxd5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 2.Qxe4#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...e2
- 2.Bxd5#
- 2.Rd3#
- 2.Qxe2#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Re6?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Be5
- 2.Bxd5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Re7?
- threat
- 2.Bxd5#
- 2.Qxh5#
- 1...Qxb7
- 2.Qxh5#
- 1...Be5
- 2.Bxd5#
- 1...Qe4
- 2.Bxe4#
- 2.Qxh5#
- 1...Qc6
- 2.Bxc6#
- 2.Qxh5#
- 2.Qxc6#
- 1...h4
- 2.Bxd5#
- 2.Qh5#
- 1...Bxe1!
- threat
- 1.Qxh5+?
- 1...Kxe4
- 2.Qxd5#
- 1...Qxh5+!
- 1...Kxe4
- 1.Qg6?
- threat
- 2.Qg2#
- 1...Qa2
- 2.Rc4#
- 2.Qxh5#
- 1...Qg8
- 2.Re6#
- 1...Qd2
- 2.Rd4#
- 2.Qxh5#
- 1...Qg5
- 2.Re5#
- 1...hxg6!
- threat
- 1.Bxd5?
- Keys
- 1.Qg8!
- threat
- 2.Qg2#
- 1...Kxe4
- 2.Qxd5#
- 1...Qxg8
- 2.Re6#
- 1...Qa2
- 2.Rc4#
- 1...Qd2
- 2.Rd4#
- 1...Qg5
- 2.Re5#
- threat
- 1.Qg8!
This anticipates 225662(1998), 71004(2004)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(e);OGATEB::B(F)+R(D),XQ(e)
- Q(e);::B(F)+R(D),DCHECK,XP(b)
- Tries
- Try
- B(F);XQ(e)
- Threat
- DUALS(9)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);XR(D)::B(F),XQ(e)
- B(a);::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);XR(D)::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- R(D);P_PINQ(e)
- Threat
- DUALS(2)
- Vars
- Q(e);N_SPINQ(e),XB(F)::QAB(G),XP(f)
- B(a);::B(F),XQ(e)
- Refutation
- B(a);XB(B)
- Try
- Q(G);CHECK,XP(f)
- Vars
- K(c);OGATEB,P_SPINQ(e),S_FLIGHT,XR(D)::QAB1(G),XQ(e)
- Refutation
- Q(e);CHECK,XQ(G)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- Q(e);OGATEB::B(F)+R(D)
- Refutation
- P(h);XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAB1(G)
- Vars
- K(c);OGATEB,P_SPINQ(e),S_FLIGHT,XR(D)::QAB1(G),XQ(e)
- Q(e);OGATEB,XQ(G)::B(F)+R(D)
- Q(e);OGATEB::B(F)+R(D)
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