MESON Chess Problem Database
Problem Display
PID: 78832 (Bb3K2/3p3P/3p2N1/1P1N1RPr/1Qpkp3/q7/b1PPR3/4r3 w - - 0 1)
Touw Hian Bwee
3rd HM., Main-Post, 1972
#2
12 + 10
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.dxc3#
- 1...Qe3
- 2.dxe3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...e3
- 2.Rf4#
- 1...Qc3
- Tries
- 1.Sc3?
- threat
- 2.Rd5#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...Rf1
- 2.Rxe4#
- 1...d5
- 2.Rxd5#
- 1...Qxa8!
- threat
- 1.Se3?
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...d5
- 2.Rxd5#
- 1...Rf1!
- threat
- 1.Sdf4?
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 2.c3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...d5
- 2.Rxd5#
- 1...e3!
- threat
- 1.Sb6?
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...Rf1
- 2.Rxe4#
- 1...e3
- 2.Rf4#
- 1...d5
- 2.Rxd5#
- 1...Qf3!
- threat
- 1.Sf6?
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 1...d5
- 2.Rxd5#
- 1...Rxg5!
- threat
- 1.Sde7?
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...Rf1
- 2.Rxe4#
- 1...e3
- 2.Rf4#
- 1...d5
- 2.Rxd5#
- 1...Qf3!
- threat
- 1.Rxe4+?
- 1...Kxe4
- 2.Rf4#
- 1...Rxe4!
- 1...Kxe4
- 1.Sc3?
- Keys
- 1.Sc7!
- threat
- 2.Rd5#
- 1...Qxa8
- 2.Qc3#
- 1...Rxg5
- 2.h8Q#
- 2.h8B#
- 1...Qf3
- 2.Qxd6#
- 1...Rf1
- 2.Rxe4#
- 1...e3
- 2.Rf4#
- 1...d5
- 2.Rxd5#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- Q(c);OGATE::P(B),XQ(c)
- R(g);N_GUARD,XP(H)::P=Q
- P(f);OGATEB::R(G)
- Tries
- Try
- S(F);
- Threat
- R1(G)
- Vars
- R(g);N_GUARD,XP(H)::P=Q
- R(a);N_GUARD,P_PINR(G)::R1(C),XP(f)
- P(h);P_PINQ(D)::R1(G),XP(h)
- Refutation
- Q(c);XB(K)
- Try
- S(F);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XB(K)::QAB1(D)
- R(g);N_GUARD,XP(H)::P=Q
- P(h);P_PINQ(D)::R1(G),XP(h)
- Refutation
- R(a);P_PINR(G)
- Try
- S(F);
- Threat
- R1(G)
- Vars
- R(g);N_GUARD,XP(H)::P=Q
- P(h);P_PINQ(D)::R1(G),XP(h)
- Refutation
- P(f);
- Try
- S(F);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XB(K)::QAB1(D)
- R(g);N_GUARD,XP(H)::P=Q
- R(a);N_GUARD,P_PINR(G)::R1(C),XP(f)
- P(f);OGATEB::R(G)
- P(h);P_PINQ(D)::R1(G),XP(h)
- Refutation
- Q(c);P_PINR(G)
- Try
- S(F);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XB(K)::QAB1(D)
- P(h);P_PINQ(D)::R1(G),XP(h)
- Refutation
- R(g);XP(H)
- Try
- S(F);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XB(K)::QAB1(D)
- R(g);N_GUARD,XP(H)::P=Q
- R(a);N_GUARD,P_PINR(G)::R1(C),XP(f)
- P(f);OGATEB::R(G)
- P(h);::R1(G),XP(h)
- Refutation
- Q(c);P_PINR(G)
- Try
- R(C);CHECK,XP(f)
- Vars
- K(e);P-FLIGHT,XR(C)::R1(G)
- Refutation
- R(a);XR(C)
- Try
- Actual
- S(F);
- Threat
- R1(G)
- Vars
- Q(c);N_GUARD,XB(K)::QAB1(D)
- R(g);N_GUARD,XP(H)::P=Q
- Q(c);N_GUARD,P_PINR(G)::QAR2(D),XP(h)
- R(a);N_GUARD,P_PINR(G)::R1(C),XP(f)
- P(f);OGATEB::R(G)
- P(h);P_PINQ(D)::R1(G),XP(h)
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