MESON Chess Problem Database
Problem Display
PID: 57441 (B7/2R3pK/p2B4/1p6/p2kp1bQ/3qN3/NnPR1P2/2r2nr1 w - - 0 1)
Couture, William J
Chess Life, 1956
#2
10 + 12
| 236 | The Field | 1959 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.c3#
- 1...Rb1
- 2.c3#
- 1...Rd1
- 2.c3#
- 1...Re1
- 2.c3#
- 1...Rxc2
- 2.Sxc2#
- 1...Bd1
- 2.Sf5#
- 2.Qxe4#
- 1...Be2
- 2.Sf5#
- 2.Qxe4#
- 1...Bf3
- 2.Sf5#
- 1...Bh3
- 2.Qxe4#
- 1...Bf5+
- 2.Sxf5#
- 1...Bh5
- 2.Sf5#
- 2.Qxe4#
- 1...Be6
- 2.Qxe4#
- 1...Bd7
- 2.Qxe4#
- 1...Bc8
- 2.Qxe4#
- 1...g6
- 2.Qf6#
- 1...Ra1
- Tries
- 1.Rxd3+?
- 1...exd3
- 2.Sf5#
- 1...Sxd3!
- 1...exd3
- 1.Rc5?
- threat
- 2.Rd5#
- 1...Bf5+
- 2.Sxf5#
- 1...Be6
- 2.Qxe4#
- 1...Sxe3!
- threat
- 1.Qg5?
- threat
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 2.Qxg7#
- 1...Bf5+
- 2.Sxf5#
- 1...Rxc2
- 2.Sxc2#
- 2.Be5#
- 2.Qd5#
- 2.Qe5#
- 2.Qxg7#
- 1...Sxe3
- 2.Be5#
- 2.Qxe3#
- 2.Qc5#
- 2.Qe5#
- 2.Qxg7#
- 2.fxe3#
- 1...Bd1
- 2.Sf5#
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Be2
- 2.Sf5#
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bf3
- 2.Sf5#
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bh3
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bh5
- 2.Sf5#
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Be6
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qe5#
- 1...Bd7
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bc8
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Sc4
- 2.Bc5#
- 2.Qc5#
- 2.Qd5#
- 1...g6
- 2.Bc5#
- 2.Be5#
- 2.Qf6#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Rh1+!
- threat
- 1.Qxg4?
- threat
- 2.Sf5#
- 2.Qxe4#
- 1...Rxg4
- 2.Sf5#
- 1...Sxd2
- 2.Sf5#
- 1...Sxe3
- 2.Qxe4#
- 1...Sg3
- 2.Qxg7#
- 1...g6
- 2.Qxe4#
- 1...Rh1+!
- threat
- 1.Qh5?
- threat
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qd5#
- 2.Qe5#
- 1...Bf5+
- 2.Sxf5#
- 1...Rxc2
- 2.Sxc2#
- 2.Be5#
- 2.Qd5#
- 2.Qe5#
- 1...Bxh5
- 2.Sf5#
- 1...Sxe3
- 2.Be5#
- 2.Qc5#
- 2.Qe5#
- 1...Rh1
- 2.Bc5#
- 2.Be5#
- 1...Be6
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 2.Qe5#
- 1...Sc4
- 2.Bc5#
- 2.Qc5#
- 2.Qd5#
- 1...g5!
- threat
- 1.Rxd3+?
- Keys
- 1.f4!
- threat
- 2.Bc5#
- 1...Bf5+
- 2.Sxf5#
- 1...exf4 ep+
- 2.Sf5#
- 1...Kxe3
- 2.Qf2#
- 1...Rxc2
- 2.Sxc2#
- 1...Sxe3
- 2.Be5#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::P(B)
- R(a);XP(B)::S(E),XR(a)
- B(i);N_GUARD,P_SPINP(h)::S(E)
- B(i);OGATE,P_SPINP(h)::QAR1(F),XP(h)
- B(i);CHECK,N_GUARD,P_SPINP(h)::S(E),XB(i)
- P(l);N_GUARD::QAB(F)
- Tries
- Try
- R(C);CHECK,XQ(e)
- Vars
- P(h);P_SPINB(i),XR(C)::S(E)
- Refutation
- S(d);XR(C)
- Try
- R(H);
- Threat
- R1(H)
- Vars
- B(i);CHECK,N_GUARD,P_SPINP(h)::S(E),XB(i)
- B(i);OGATE,P_SPINP(h)::QAR1(F),XP(h)
- Refutation
- S(b);XS(E)
- Try
- Q(F);
- Threat
- DUALS(6)
- Vars
- B(i);CHECK,N_GUARD::S(E),XB(i)
- Refutation
- R(c);CHECK
- Try
- Q(F);P_PINP(h),XB(i)
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINP(h),XQ(F)::S(E)
- S(b);N_SPINQ(e),XR(C)::S(E)
- S(b);XS(E)::QAR1(F),XP(h)
- S(b);S_CUTR(c)::QAB(F),XP(l)
- P(l);::QAR1(F),XP(h)
- Refutation
- R(c);CHECK
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- B(i);CHECK,N_GUARD::S(E),XB(i)
- B(i);N_GUARD,XQ(F)::S(E)
- Refutation
- P(l);
- Try
- Actual
- P(D);
- Threat
- B(G)
- Vars
- B(i);CHECK,N_GUARD::S(E),XB(i)
- P(h);CHECK,EP,P_SPINB(i),XP(D)::S(E)
- K(g);N_SPINQ(e),OGATEB,S_FLIGHT,XS(E)::QAB1(F)
- R(a);XP(B)::S(E),XR(a)
- S(b);SBLOCK,XS(E)::B(G)
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