MESON Chess Problem Database
Problem Display
PID: 79306 (n3N3/1p2NK2/1p2B2Q/BPk2p1R/PR4P1/P7/2r5/1n3rb1 w - - 0 1)
Touw Hian Bwee
2nd HM., Main-Post, 1973
#2
12 + 9
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Rfc1
- 2.Rxf5#
- 1...Rff2
- 2.Qe3#
- 1...Ra2
- 2.Rc4#
- 1...Rb2
- 2.Rc4#
- 1...Rd2
- 2.Rc4#
- 1...Re2
- 2.Rc4#
- 1...Rcf2
- 2.Rc4#
- 2.Qe3#
- 1...Rg2
- 2.Rc4#
- 1...Rh2
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...Bf2
- 2.Rxf5#
- 1...Bh2
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Sc3
- 2.Rc4#
- 1...Rfc1
- Tries
- 1.Sd5?
- threat
- 2.Qf8#
- 1...fxg4+
- 2.Sf4#
- 1...Bh2
- 2.Qe3#
- 1...Rc4!
- threat
- 1.Sxf5?
- threat
- 2.Qf8#
- 1...Rxf5+
- 2.Rxf5#
- 1...Rd1
- 2.Sd4#
- 1...Rd2
- 2.Rc4#
- 1...Bh2
- 2.Qe3#
- 1...bxa5!
- threat
- 1.Sc8?
- threat
- 2.Qf8#
- 1...Rc4
- 2.Rxc4#
- 1...Rd2
- 2.Rc4#
- 1...Bh2
- 2.Qe3#
- 1...Rd1!
- threat
- 1.Ba2?
- threat
- 2.Qd6#
- 1...Rd2
- 2.Rc4#
- 1...Bh2
- 2.Qe3#
- 1...Rd1!
- threat
- 1.Bb3?
- threat
- 2.Qd6#
- 1...Rd2
- 2.Rc4#
- 1...Bh2
- 2.Qe3#
- 1...Rd1!
- threat
- 1.Bxf5?
- threat
- 2.Qd6#
- 1...Rxf5+
- 2.Rxf5#
- 1...Rd1
- 2.Bd3#
- 1...Bh2
- 2.Qe3#
- 1...Rd2!
- threat
- 1.Re4?
- threat
- 2.Bb4#
- 1...Rb2
- 2.Rc4#
- 1...Rc4
- 2.Rxc4#
- 1...bxa5!
- threat
- 1.Qd2?
- threat
- 2.Qd5#
- 2.Qd6#
- 1...Rxd2
- 2.Rc4#
- 1...bxa5
- 2.Qd6#
- 1...Rd1
- 2.Rxf5#
- 1...Bh2
- 2.Qe3#
- 2.Qd4#
- 2.Qd5#
- 1...Bd4
- 2.Qxd4#
- 1...Sc3
- 2.Rc4#
- 2.Qd6#
- 1...Sc7
- 2.Qd6#
- 1...Sxd2!
- threat
- 1.Qf8?
- threat
- 2.Sd5#
- 2.Sxf5#
- 2.Sc6#
- 2.Sg6#
- 2.Sc8#
- 2.Sg8#
- 1...bxa5
- 2.Sd5#
- 2.Sc8#
- 1...Rc4
- 2.Sxf5#
- 2.Sc6#
- 2.Rxc4#
- 1...Rd1
- 2.Sd5#
- 1...Rd2
- 2.Sd5#
- 2.Rc4#
- 1...Bh2!
- threat
- 1.Sd5?
- Keys
- 1.Bd5!
- threat
- 2.Qd6#
- 1...fxg4+
- 2.Bf3#
- 1...Rc4
- 2.Rxc4#
- 1...Bh2
- 2.Qe3#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(b);N_GUARD::R(G),XP(f)
- R(b);S_CUTB(c)::QAB(I)
- R(d);N_GUARD::R1(C)
- R(d);N_GUARD::R1(C),XR(d)
- B(c);S_CUTR(b)::R(G),XP(f)
- B(c);N_GUARD::QAB(I)
- B(c);N_GUARD::QAB(I),XB(c)
- S(a);S_CUTR(d)::R1(C)
- Tries
- Try
- S(J);N_PINP(f)
- Threat
- QAB(I)
- Vars
- P(f);CHECK,XP(D)::R(G)+S(J)
- B(c);N_GUARD::QAB(I)
- Refutation
- R(d);
- Try
- S(J);P_SPINS(J),XP(f)
- Threat
- QAB(I)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(J)::R(G),XR(b)
- R(b);N_PINS(J)::R(G)+S(J)
- R(d);N_GUARD::R1(C)
- B(c);N_GUARD::QAB(I)
- Refutation
- P(g);XB(E)
- Try
- S(J);
- Threat
- QAB(I)
- Vars
- R(d);N_GUARD::R1(C),XR(d)
- R(d);N_GUARD::R1(C)
- B(c);N_GUARD::QAB(I)
- Refutation
- R(b);
- Try
- B(H);
- Threat
- QAB1(I)
- Vars
- R(d);N_GUARD::R1(C)
- B(c);N_GUARD::QAB(I)
- Refutation
- R(b);
- Try
- B(H);
- Threat
- QAB1(I)
- Vars
- R(d);N_GUARD::R1(C)
- B(c);N_GUARD::QAB(I)
- Refutation
- R(b);
- Try
- B(H);P_SPINB(H),XP(f)
- Threat
- QAB1(I)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XB(H)::R(G),XR(b)
- R(b);N_PINB(H)::R(G)+B(H)
- B(c);N_GUARD::QAB(I)
- Refutation
- R(d);
- Try
- R(C);
- Threat
- B(E)
- Vars
- R(d);N_GUARD::R1(C)
- R(d);N_GUARD::R1(C),XR(d)
- Refutation
- P(g);XB(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XQ(I)::R1(C)
- P(g);XB(E)::QAB1(I)
- R(b);N_GUARD::R(G),XP(f)
- B(c);N_GUARD::QAB1(I),XB(c)
- S(i);::QAB1(I)
- Refutation
- S(a);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(6)
- Vars
- R(b);::QAB(I)+S(J)
- Refutation
- B(c);
- Try
- Actual
- B(H);N_PINP(f)
- Threat
- QAB1(I)
- Vars
- P(f);CHECK,OGATEB,XP(D)::R(G)+B(H)
- R(d);N_GUARD::R1(C),XR(d)
- B(c);N_GUARD::QAB(I)
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