MESON Chess Problem Database
Problem Display
PID: 44881 (3R4/1Np5/pb1n3K/1p2pP2/2BkPp2/1p2p1N1/3nPP2/2QR4 w - - 0 1)
Mansfield, Comins
1st HM., Chess Life & Review, 1970-1971
#2
11 + 11
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.Rxd6#
- 1...c6
- 2.Rxd6#
- 1...c5
- Tries
- 1.Bxb3?
- threat
- 2.Qb2#
- 2.Qa1#
- 1...exf2
- 2.Qxd2#
- 1...Ba5
- 2.Qc5#
- 1...fxg3!
- threat
- 1.Bd3?
- threat
- 2.Qb2#
- 1...Sxe4
- 2.Bxe4#
- 1...Ba5
- 2.Qc5#
- 1...Sb1
- 2.Bxb1#
- 1...Sc4
- 2.Bxc4#
- 1...b2
- 2.Qxb2#
- 1...exf2!
- threat
- 1.Bxb5?
- threat
- 2.Qb2#
- 2.Qc4#
- 1...exf2
- 2.Qxd2#
- 1...fxg3
- 2.Qc4#
- 1...Ba5
- 2.Qc4#
- 2.Qc5#
- 1...b2
- 2.Qxb2#
- 2.Qc4#
- 1...axb5!
- threat
- 1.Be6?
- threat
- 2.Qb2#
- 1...exf2
- 2.Qxd2#
- 1...Ba5
- 2.Qc5#
- 1...b2
- 2.Qxb2#
- 1...fxg3!
- threat
- 1.Bf7?
- threat
- 2.Qb2#
- 1...exf2
- 2.Qxd2#
- 1...Ba5
- 2.Qc5#
- 1...b2
- 2.Qxb2#
- 1...fxg3!
- threat
- 1.Bg8?
- threat
- 2.Qb2#
- 1...exf2
- 2.Qxd2#
- 1...Ba5
- 2.Qc5#
- 1...b2
- 2.Qxb2#
- 1...fxg3!
- threat
- 1.Qxd2+?
- 1...Kxc4
- 2.Rc1#
- 1...exd2!
- 1...Kxc4
- 1.Bxb3?
- Keys
- 1.Bd5!
- threat
- 2.Qb2#
- 1...Sxf5+
- 2.Sxf5#
- 1...Sf7+
- 2.Bxf7#
- 1...Sxe4
- 2.Bxe4#
- 1...Sxb7
- 2.Bxb7#
- 1...exf2
- 2.Qxd2#
- 1...Ba5
- 2.Qc5#
- 1...Sc4
- 2.Bxc4#
- 1...b2
- 2.Qxb2#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- P(k);N_GUARD::R(K),XS(j)
- Tries
- Try
- B(F);XP(b)
- Threat
- DUALS(2)
- Vars
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- B(i);N_GUARD::QAB1(A)
- Refutation
- P(e);XS(E)
- Try
- B(F);N_PINS(a),P_PINS(j)
- Threat
- QAB(A)
- Vars
- S(a);OGATE,XP(G)::R(B)+B(F),XS(a)
- B(i);N_GUARD::QAB1(A)
- S(a);OGATEB::R(B)+B(F),XS(a)
- P(b);::QAB(A),XP(b)
- Refutation
- P(c);XP(D)
- Try
- B(F);XP(f)
- Threat
- DUALS(2)
- Vars
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- P(e);XS(E)::QAR1(A)
- Refutation
- P(h);XB(F)
- Try
- B(F);
- Threat
- QAB(A)
- Vars
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- B(i);N_GUARD::QAB1(A)
- P(b);::QAB(A),XP(b)
- Refutation
- P(e);XS(E)
- Try
- B(F);
- Threat
- QAB(A)
- Vars
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- B(i);N_GUARD::QAB1(A)
- P(b);::QAB(A),XP(b)
- Refutation
- P(e);XS(E)
- Try
- B(F);
- Threat
- QAB(A)
- Vars
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- B(i);N_GUARD::QAB1(A)
- P(b);::QAB(A),XP(b)
- Refutation
- P(e);XS(E)
- Try
- Q(A);CHECK,P_PINS(j),XS(a)
- Vars
- K(d);N_SPINS(j),P-FLIGHT,XB(F)::R(B)
- Refutation
- P(c);P_SPINP(c),XQ(A)
- Try
- Actual
- B(F);
- Threat
- QAB(A)
- Vars
- S(j);CHECK,XP(H)::S(E),XS(j)
- S(j);CHECK,OGATEB::R(K)+B(F),XS(j)
- S(j);OGATE,XP(G)::R(K)+B(F),XS(j)
- S(j);OGATE,XS(J)::R(K)+B(F),XS(j)
- P(c);N_GUARD,XP(D)::QAR2(A),XS(a)
- B(i);N_GUARD::QAB1(A)
- S(j);OGATEB::R(K)+B(F),XS(j)
- P(b);::QAB(A),XP(b)
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