MESON Chess Problem Database
Problem Display
PID: 56034 (4b3/2ppQ1p1/2p2p2/2Pk1PN1/1K4P1/1N2b1B1/B2P1R2/4r2q w - - 0 1)
Mansfield, Comins
3rd Prize, British Chess Magazine, 1979
#2
11 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Qe4+
- 2.Qxe4#
- 1...Qf1
- 2.Qe4#
- 1...Qg1
- 2.Qe4#
- 1...Qh2
- 2.Qe4#
- 1...Qh3
- 2.Qe4#
- 1...Qh4
- 2.Qe4#
- 1...Qh5
- 2.Qe4#
- 1...Qh6
- 2.Qe4#
- 1...Qh7
- 2.Qe4#
- 1...Qh8
- 2.Qe4#
- 1...Bxd2+
- 2.Rxd2#
- 1...Bd4
- 2.Sa1#
- 2.Sc1#
- 2.Sa5#
- 1...Bxc5+
- 2.Qxc5#
- 1...Bh5
- 2.Qxd7#
- 1...Bg6
- 2.Qxd7#
- 1...Bf7
- 2.Qxd7#
- 2.Qxf7#
- 1...fxg5
- 2.Qe5#
- 1...d6
- 2.Qe6#
- 1...Qe4+
- Tries
- 1.Kc3?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 1...Rc1+
- 2.Sxc1#
- 1...Bxd2+
- 2.Sxd2#
- 2.Rxd2#
- 1...Bd4+
- 2.Sxd4#
- 1...Qe4
- 2.Sd4#
- 2.Qxe4#
- 1...Qf1
- 2.Qe4#
- 1...Ra1
- 2.Sxa1#
- 1...d6
- 2.Qe6#
- 1...Rb1!
- threat
- 1.Qxf6?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 2.Qe5#
- 1...Qe4+
- 2.Sd4#
- 1...Bxd2+
- 2.Sxd2#
- 2.Rxd2#
- 1...Bxc5+
- 2.Sxc5#
- 1...Bxf2
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 1...Bxg5
- 2.Qd4#
- 1...Rb1
- 2.Qe5#
- 1...Qf1
- 2.Qe5#
- 1...Ra1
- 2.Sxa1#
- 2.Qe5#
- 1...Rc1
- 2.Sxc1#
- 2.Qe5#
- 1...Bd4
- 2.Sa1#
- 2.Sc1#
- 2.Sxd4#
- 2.Sa5#
- 2.Qxd4#
- 1...Bf4
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 2.Qd4#
- 1...d6
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 2.Qe6#
- 1...gxf6!
- threat
- 1.Qxe3?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 2.Qd4#
- 2.Qd3#
- 1...Qe4+
- 2.Sd4#
- 1...Rb1
- 2.Qd4#
- 2.Qd3#
- 1...Qf3
- 2.Sa1#
- 2.Sc1#
- 2.Sd4#
- 2.Sa5#
- 2.Qd4#
- 1...Qf1
- 2.Qd4#
- 1...Ra1
- 2.Sxa1#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Sxc1#
- 2.Qd4#
- 2.Qd3#
- 1...Rxe3!
- threat
- 1.dxe3?
- threat
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Rd2#
- 1...Qe4+
- 2.Sd4#
- 2.Qxe4#
- 1...Rb1
- 2.Rd2#
- 1...Qg2
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 1...Qf1
- 2.Qe4#
- 1...Qh2
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Qe4#
- 1...Ra1
- 2.Sxa1#
- 2.Rd2#
- 1...Rc1
- 2.Sxc1#
- 2.Rd2#
- 1...Rd1
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 1...Re2
- 2.Sd2#
- 1...Rxe3!
- threat
- 1.Kc3?
- Keys
- 1.Se6!
- threat
- 2.Sxc7#
- 1...Qe4+
- 2.Sbd4#
- 1...Bxd2+
- 2.Sxd2#
- 1...Bxc5+
- 2.Sbxc5#
- 1...Ke4
- 2.Sf4#
- 1...dxe6
- 2.Qxe6#
- 1...Bf4
- 2.Sxf4#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(b);CHECK,N_GUARD::QAB1(K),XQ(b)
- Q(b);N_GUARD::QAB1(K)
- Q(b);N_GUARD,P_PINP(G)::QAB1(K)
- B(c);CHECK,OGATE,XP(B)::R(C),XB(c)
- B(c);CHECK,OGATE,XP(H)::QAR1(K),XB(c)
- B(j);N_GUARD::QAR2(K),XP(h)
- P(f);N_GUARD,XS(J)::QAR1(K)
- P(h);N_GUARD::QAB1(K)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(4)
- Vars
- R(a);CHECK::B(A)+S(D),XR(a)
- B(c);CHECK::B(A)+S(D),XB(c)
- Q(b);N_GUARD::QAB1(K)
- R(a);::B(A)+S(D),XR(a)
- P(h);N_GUARD::QAB1(K)
- Refutation
- R(a);
- Try
- Q(K);XP(f)
- Threat
- DUALS(5)
- Vars
- Q(b);CHECK::B(A)+S(D)
- B(c);CHECK,XP(H)::B(A)+S(D),XB(c)
- B(c);N_GUARD,XS(J)::QAR1(K)
- R(a);P_PINS(D)::QAR1(K)
- Q(b);::QAR1(K)
- Refutation
- P(i);XQ(K)
- Try
- Q(K);XB(c)
- Threat
- DUALS(6)
- Vars
- Q(b);CHECK::B(A)+S(D)
- Q(b);::QAR1(K)
- Refutation
- R(a);XQ(K)
- Try
- P(B);XB(c)
- Threat
- DUALS(6)
- Vars
- R(a);P_PINS(D)::R(C)
- Q(b);N_GUARD::QAB1(K)
- R(a);::B(A)+S(D)
- Refutation
- R(a);XP(B)
- Try
- Actual
- S(J);
- Threat
- S(J),XP(g)
- Vars
- Q(b);CHECK,SBLOCK::B(A)+S(D)
- B(c);CHECK,XP(B)::B(A)+S(D),XB(c)
- B(c);CHECK,XP(H)::B(A)+S(D),XB(c)
- K(d);S_FLIGHT::QAR(K)+S(J)
- P(h);OGATE,XS(J)::QAB1(K),XP(h)
- B(c);N_GUARD::S(J),XB(c)
Developed and maintained by Brian Stephenson.
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