MESON Chess Problem Database
Problem Display
PID: 78782 (3b4/3Qn2N/1p4p1/1K1pkbRp/1Pp3pR/1PP4N/3P1P1p/7B w - - 0 1)
Touw Hian Bwee
7th Comm., Kuiper MT, 1971
#2
12 + 11
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
| 133 | The Problemist Supplement | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc7
- 2.Qxe7#
- 1...Sc6
- 2.Qxd5#
- 1...Sc8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...cxb3
- 2.d4#
- 1...gxh3
- 2.f4#
- 1...g3
- 2.f4#
- 1...d4
- 2.cxd4#
- 1...Bc7
- Tries
- 1.Ka4?
- 1...cxb3
- 2.d4#
- 1...gxh3
- 2.f4#
- 1...Bc7
- 2.Qxe7#
- 1...Sc6
- 2.Qxd5#
- 1...Sc8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...g3
- 2.f4#
- 1...d4
- 2.cxd4#
- 1...b5+!
- 1...cxb3
- 1.Ka6?
- 1...cxb3
- 2.d4#
- 1...gxh3
- 2.f4#
- 1...Bc7
- 2.Qxe7#
- 1...Sc6
- 2.Qxd5#
- 1...Sc8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...g3
- 2.f4#
- 1...d4
- 2.cxd4#
- 1...b5!
- 1...cxb3
- 1.Rxf5+?
- 1...Sxf5
- 2.Qxd5#
- 1...gxf5!
- 1...Sxf5
- 1.Qc6?
- threat
- 2.Qf6#
- 1...Sc8
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Sxc6!
- threat
- 1.Qxd8?
- threat
- 2.Qxe7#
- 1...Sc6
- 2.Qf6#
- 2.Qxd5#
- 1...Sc8
- 2.Qf6#
- 2.Qxd5#
- 1...Sg8
- 2.Qxd5#
- 1...Ke6!
- threat
- 1.d3?
- threat
- 2.d4#
- 1...Sc6
- 2.Qxd5#
- 1...d4
- 2.cxd4#
- 1...cxd3!
- threat
- 1.bxc4?
- threat
- 2.d4#
- 1...Sc6
- 2.Qxd5#
- 1...d4
- 2.cxd4#
- 1...dxc4!
- threat
- 1.Ka4?
- Keys
- 1.Sf4!
- 1...Kxf4
- 2.Qd6#
- 1...cxb3
- 2.Sd3#
- 1...Bc7
- 2.Qxc7#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...g3
- 2.Qe6#
- 1...d4
- 2.Qxd4#
- 1...Kxf4
- 1.Sf4!
This is after 21804
There are these versions: 134101
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(k);N_GUARD::QAR2(K),XS(j)
- S(j);N_GUARD::QAR1(K),XP(d)
- P(b);N_GUARD,XP(D)::P(B)
- P(c);N_GUARD,XS(F)::P(C)
- P(c);N_GUARD::P(C)
- P(d);OGATE::P(E),XP(d)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- P(b);N_GUARD,XP(D)::P(B)
- P(c);N_GUARD,XS(F)::P(C)
- B(k);N_GUARD::QAR2(K),XS(j)
- S(j);N_GUARD::QAR1(K),XP(d)
- P(c);N_GUARD::P(C)
- P(d);OGATE::P(E),XP(d)
- Refutation
- P(h);CHECK
- Try
- K(I);S_FLIGHT
- Vars
- P(b);N_GUARD,XP(D)::P(B)
- P(c);N_GUARD,XS(F)::P(C)
- B(k);N_GUARD::QAR2(K),XS(j)
- S(j);N_GUARD::QAR1(K),XP(d)
- P(c);N_GUARD::P(C)
- P(d);OGATE::P(E),XP(d)
- Refutation
- P(h);
- Try
- R(J);CHECK,XB(f)
- Vars
- S(j);SBLOCK,XR(J)::QAR1(K),XP(d)
- Refutation
- P(i);XR(J)
- Try
- Q(K);
- Threat
- QAB1(K)
- Vars
- S(j);N_GUARD::QAR1(K),XP(d)
- Refutation
- S(j);XQ(K)
- Try
- Q(K);XB(k)
- Threat
- QAR2(K),XS(j)
- Vars
- S(j);N_GUARD::QAR1(K),XP(d)
- Refutation
- K(e);N_SPINB(f),P-FLIGHT
- Try
- P(B);
- Threat
- P(B)
- Vars
- S(j);N_GUARD::QAR1(K),XP(d)
- P(d);OGATE::P(E),XP(d)
- Refutation
- P(b);XP(B)
- Try
- P(D);XP(b)
- Threat
- P(B)
- Vars
- S(j);N_GUARD::QAR1(K),XP(d)
- P(d);OGATE::P(E),XP(d)
- Refutation
- P(d);XP(D)
- Try
- Actual
- S(F);
- Vars
- K(e);N_SPINB(f),P_SPINP(c),S_FLIGHT,XS(F)::QAB(K)
- P(b);N_GUARD,XP(D)::S(F)
- B(k);N_GUARD::QAB(K),XB(k)
- S(j);N_GUARD::S(F),XP(i)
- P(c);::QAR1(K)
- P(d);OGATE::QAB1(K),XP(d)
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