MESON Chess Problem Database
Problem Display
PID: 9856 (2B1br2/3p4/6R1/nKNPNk2/1p1P2RB/3p4/5Ppr/1Q3q1n w - - 0 1)
Mansfield, Comins
Chess Correspondent, 1960
#2
11 + 11
| 3550 | Complete Mansfield/II | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qxd3#
- 1...Qg1
- 2.Qxd3#
- 1...Qxf2
- 2.Qxd3#
- 1...Rf6
- 2.R6g5#
- 2.Rxf6#
- 1...Rg8
- 2.Rf6#
- 1...Rh8
- 2.Rf6#
- 1...Bxg6
- 2.Bxd7#
- 1...Bf7
- 2.Rf6#
- 1...Qc1
- Tries
- 1.Scxd3?
- threat
- 2.Rf4#
- 1...Qxd3+
- 2.Qxd3#
- 1...Qxf2
- 2.Sxf2#
- 1...Qc1
- 2.Sxc1#
- 1...Rxh4!
- threat
- 1.Se4?
- threat
- 2.Sd6#
- 2.R6g5#
- 1...Bxg6
- 2.Sd6#
- 2.Bxd7#
- 1...Qc1
- 2.Sd6#
- 1...Rf6
- 2.R6g5#
- 2.Rxf6#
- 1...Rg8
- 2.Sd6#
- 2.Rf6#
- 1...Sc4
- 2.R6g5#
- 1...Sb7
- 2.R6g5#
- 1...d2+!
- threat
- 1.Sc4?
- threat
- 2.Se3#
- 2.Sd6#
- 1...Qxf2
- 2.Sd6#
- 2.Qxd3#
- 1...Bxg6
- 2.Se3#
- 2.Bxd7#
- 1...Qe2
- 2.Sd6#
- 1...Qc1
- 2.Sd6#
- 2.Qxd3#
- 1...Qe1
- 2.Sd6#
- 1...Rh3
- 2.Sd6#
- 1...Rf6
- 2.Se3#
- 2.R6g5#
- 1...Sb7
- 2.Se3#
- 1...Sxc4!
- threat
- 1.Sexd7?
- threat
- 2.R6g5#
- 1...Bxd7+
- 2.Bxd7#
- 1...Bxg6
- 2.Sxf8#
- 1...Qc1
- 2.Qxd3#
- 1...Rg8!
- threat
- 1.Bg5?
- threat
- 2.Rf4#
- 1...Qxf2
- 2.Qxd3#
- 1...Bxg6
- 2.Bxd7#
- 1...Qc1
- 2.Qxd3#
- 1...Rh4!
- threat
- 1.Be7?
- threat
- 2.R6g5#
- 1...Bxg6
- 2.Bxd7#
- 1...Qc1
- 2.Qxd3#
- 1...Rg8
- 2.Rf6#
- 1...Rh5!
- threat
- 1.Bd8?
- threat
- 2.R6g5#
- 1...Bxg6
- 2.Bxd7#
- 1...Qc1
- 2.Qxd3#
- 1...Rg8
- 2.Rf6#
- 1...Rh5!
- threat
- 1.Scxd3?
- Keys
- 1.Scxd7!
- threat
- 2.R6g5#
- 1...Bxd7+
- 2.Bxd7#
- 1...Bxg6
- 2.Sxf8#
- 1...Qc1
- 2.Qxd3#
- 1...Rg8
- 2.Rf6#
- threat
- 1.Scxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- Q(a);N_GUARD::QAB(A),XP(e)
- Q(a);N_GUARD,XP(B)::QAB(A),XP(e)
- R(k);N_GUARD::R1(J)
- B(j);N_GUARD,XR(J)::B(K),XP(i)
- B(j);S_CUTR(k)::R1(J)
- Tries
- Try
- S(G);P_PINP(i),P_SPINS(G),XP(e)
- Threat
- R1(D)
- Vars
- Q(a);CHECK,OGATE,P_SPINQ(a),XS(G)::QAB(A),XQ(a)
- Q(a);N_PINS(G),XP(B)::QAB(A)+S(G),XQ(a)
- Q(a);N_PINS(G)::QAB(A)+S(G),XQ(a)
- Refutation
- R(d);XB(E)
- Try
- S(G);N_PINP(e),P_PINP(i)
- Threat
- DUALS(2)
- Vars
- Q(a);::S(G)
- S(g);::R1(J)
- Refutation
- P(e);CHECK
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- Q(a);::S(I)
- R(d);::S(I)
- S(g);::S(I)
- Refutation
- S(g);XS(I)
- Try
- S(I);P_SPINS(I),XP(i)
- Threat
- R1(J)
- Vars
- B(j);CHECK,OGATE,P_SPINB(j),XS(I)::B(K),XB(j)
- B(j);N_PINS(I),XR(J)::B(K)+S(I),XR(k)
- Q(a);N_GUARD::QAB(A),XP(e)
- Refutation
- R(k);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- Q(a);N_GUARD,XP(B)::QAB(A),XP(e)
- B(j);N_GUARD,XR(J)::B(K),XP(i)
- Q(a);N_GUARD::QAB(A),XP(e)
- Refutation
- R(d);
- Try
- B(E);
- Threat
- R1(J)
- Vars
- B(j);N_GUARD,XR(J)::B(K),XP(i)
- Q(a);N_GUARD::QAB(A),XP(e)
- R(k);N_GUARD::R1(J)
- Refutation
- R(d);
- Try
- B(E);
- Threat
- R1(J)
- Vars
- B(j);N_GUARD,XR(J)::B(K),XP(i)
- Q(a);N_GUARD::QAB(A),XP(e)
- R(k);N_GUARD::R1(J)
- Refutation
- R(d);
- Try
- Actual
- S(G);P_SPINS(G),XP(i)
- Threat
- R1(J)
- Vars
- B(j);CHECK,OGATE,P_SPINB(j),XS(G)::B(K),XB(j)
- B(j);N_PINS(G),XR(J)::B(K)+S(G),XR(k)
- Q(a);N_GUARD::QAB(A),XP(e)
- R(k);N_GUARD::R1(J)
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