MESON Chess Problem Database
Problem Display
PID: 55620 (3R3n/4p3/K3p1r1/p1Qqk1Pn/1R2B1Pp/N1p3rN/7B/b7 w - - 0 1)
Mansfield, Comins
Schach-Echo, 1976
#2
10 + 12
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Tries
- 1.Bh1?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Rxg5!
- threat
- 1.Bc2?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Rxg5!
- threat
- 1.Bg2?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Rxg5!
- threat
- 1.Bd3?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Rxg5!
- threat
- 1.Bf3?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Rxg5!
- threat
- 1.Bxd5?
- threat
- 2.Sc4#
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Be4#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Re4#
- 2.Qe3#
- 2.Qd4#
- 2.Qc7#
- 1...Rxg5
- 2.Qd4#
- 1...axb4
- 2.Sc4#
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Qe3#
- 1...Sf4
- 2.Sc4#
- 2.Re4#
- 2.Qd4#
- 2.Qc7#
- 1...Sf6
- 2.Sc4#
- 2.Qd4#
- 2.Qc7#
- 1...Sf7
- 2.Sc4#
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Be4#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Re4#
- 2.Qe3#
- 2.Qd4#
- 1...c2
- 2.Sc4#
- 2.Bh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Be4#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Re4#
- 2.Qe3#
- 2.Qc7#
- 1...exd5+!
- threat
- 1.Bxg6?
- threat
- 2.Sc4#
- 2.Re4#
- 1...Qxc5
- 2.Re4#
- 1...axb4
- 2.Sc4#
- 1...Sf6
- 2.Sc4#
- 1...Sxg6!
- threat
- 1.Bh1?
- Keys
- 1.Qe3!
- threat
- 2.Bxd5#
- 1...Qc4+
- 2.Sxc4#
- 1...Qc6+
- 2.Bxc6#
- 1...Qb7+
- 2.Bxb7#
- 1...Qa8+
- 2.Bxa8#
- 1...Qd3+
- 2.Bxd3#
- 1...Qb5+
- 2.Rxb5#
- 1...Qd6+
- 2.Bc6#
- 1...Qxe4
- 2.Sc4#
- 2.Rxe4#
- 2.Rb5#
- 2.Qxe4#
- 1...Qxd8
- 2.Sc4#
- 1...Rxg5
- 2.Qxg5#
- 1...Qd7
- 2.Sc4#
- 1...Qa2
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bxg6#
- 2.Bb7#
- 2.Ba8#
- 2.Qd4#
- 1...Qb3
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bxg6#
- 2.Bb7#
- 2.Ba8#
- 2.Qd4#
- 1...Qd1
- 2.Sc4#
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bxg6#
- 2.Bb7#
- 2.Ba8#
- 1...Qd2
- 2.Sc4#
- 1...Qd4
- 2.Qxd4#
- 1...Qc5
- 2.Qxc5#
- 1...Sf4
- 2.Qxf4#
- 1...Sf6
- 2.Qf4#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- R(j);XP(H)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- R(j);XP(H)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- R(j);XP(H)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- R(j);XP(H)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- R(j);XP(H)
- Try
- B(E);XQ(f)
- Threat
- DUALS(14)
- Vars
- R(j);XP(H)::QAB1(G)
- Refutation
- P(i);CHECK,P_SPINP(i),XB(E)
- Try
- B(E);XR(j)
- Threat
- DUALS(2)
- Vars
- Q(f);N_SPINQ(f),XQ(G)::R1(D)
- P(e);XR(D)::S(B)
- S(h);::S(B)
- Refutation
- S(l);XB(E)
- Try
- Actual
- Q(G);N_PINQ(f)
- Threat
- QAR(G)+B(E),XQ(f)
- Vars
- Q(f);CHECK,N_GUARD::S(B),XQ(f)
- Q(f);CHECK,OGATE::QAR(G)+B(E),XQ(f)
- Q(f);CHECK,N_GUARD::QAR(G)+B(E),XQ(f)
- Q(f);CHECK,OGATEB::R(D),XQ(f)
- Q(f);CHECK,OGATE::QAR(G)+B(E)
- Q(f);N_GUARD,XR(J)::S(B)
- R(j);OGATE,XP(H)::QAR2(G),XR(j)
- Q(f);N_GUARD::S(B)
- Q(f);N_GUARD::QAB1(G),XQ(f)
- Q(f);OGATEB::QAR2(G),XQ(f)
- S(h);N_GUARD,N_SPINR(c)::QAB1(G),XS(h)
- S(h);N_GUARD::QAB1(G)
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