MESON Chess Problem Database
Problem Display
PID: 78836 (4RB2/K1p2ppQ/bN2Bk2/4b2n/7P/2p1N3/5q1p/3r2r1 w - - 0 1)
Touw Hian Bwee
1st Comm., BCF 110. Ty., 1965-1966
#2
8 + 12
| 6352 | A Collection of Chess Problems by Touw Hian Bwee | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qf5#
- 1...Qxe3
- 2.Qf5#
- 1...Qg3
- 2.Qf5#
- 1...Qxh4
- 2.Qf5#
- 1...Qa2
- 2.Qf5#
- 1...Qb2
- 2.Qf5#
- 1...Qd2
- 2.Qf5#
- 1...Qe2
- 2.Qf5#
- 1...Qg2
- 2.Qf5#
- 1...Qf5
- 2.Qxf5#
- 1...Ra1
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Rb1
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Rc1
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Rde1
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Rdf1
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Rd5
- 2.Sexd5#
- 2.Sbxd5#
- 1...Rd7
- 2.Sxd7#
- 1...Rge1
- 2.Sg4#
- 1...Rgf1
- 2.Sg4#
- 1...Rh1
- 2.Sg4#
- 1...Rg4
- 2.Sxg4#
- 1...Bg3
- 2.Sg4#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bd3
- 2.Sed5#
- 2.Sbd5#
- 2.Sd7#
- 1...Sg3
- 2.Sg4#
- 2.Bxg7#
- 2.Qxg7#
- 1...Sf4
- 2.Qf5#
- 1...g5
- 2.Qh6#
- 2.Qxf7#
- 1...g6
- 2.Qxf7#
- 1...Qe1
- Tries
- 1.Ba2?
- threat
- 2.Be7#
- 1...Qxa2
- 2.Qf5#
- 1...Rd5
- 2.Sexd5#
- 2.Sbxd5#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bc4!
- threat
- 1.Bb3?
- threat
- 2.Be7#
- 1...Rd5
- 2.Sexd5#
- 2.Sbxd5#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bc4!
- threat
- 1.Bc4?
- threat
- 2.Be7#
- 1...Rd5
- 2.Sexd5#
- 2.Sbxd5#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bxc4!
- threat
- 1.Bg4?
- threat
- 2.Be7#
- 1...Rxg4
- 2.Sxg4#
- 1...Qf5
- 2.Qxf5#
- 1...Rd7
- 2.Sxd7#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bg3!
- threat
- 1.Bd5?
- threat
- 2.Sd7#
- 2.Be7#
- 1...Qxe3
- 2.Be7#
- 1...Qxh4
- 2.Be7#
- 2.Qf5#
- 1...Rxd5
- 2.Sexd5#
- 2.Sbxd5#
- 1...cxb6
- 2.Be7#
- 1...Qf5
- 2.Be7#
- 2.Qxf5#
- 1...Bg3
- 2.Sg4#
- 2.Sd7#
- 1...Bf4
- 2.Sd7#
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bb5
- 2.Be7#
- 1...Bc8
- 2.Be7#
- 1...Bd4!
- threat
- 1.Bf5?
- threat
- 2.Be7#
- 1...Qxf5
- 2.Qxf5#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bd6
- 2.Sd7#
- 1...Bf4!
- threat
- 1.Bd7?
- threat
- 2.Be7#
- 1...Rxd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6!
- threat
- 1.Bc8?
- threat
- 2.Be7#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...Bxc8!
- threat
- 1.Qxh5?
- threat
- 2.Qxf7#
- 1...Qxh4
- 2.Qf5#
- 1...fxe6
- 2.Be7#
- 1...Rd7
- 2.Sxd7#
- 1...Bg3
- 2.Sg4#
- 2.Qg5#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- 1...g6
- 2.Qh8#
- 1...Rg6!
- threat
- 1.Ba2?
- Keys
- 1.Bh3!
- threat
- 2.Be7#
- 1...Qf5
- 2.Qxf5#
- 1...Rd7
- 2.Sxd7#
- 1...Rg4
- 2.Sxg4#
- 1...Bg3
- 2.Sg4#
- 1...Bd4
- 2.Sd5#
- 1...Bf4
- 2.Qf5#
- 1...Bd6
- 2.Sd7#
- threat
- 1.Bh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 14
- Sets
- Q(c);N_GUARD::QAR1(F)
- Q(c);N_GUARD,P_PINS(C),XS(A)::QAR1(F)
- Q(c);N_GUARD,XP(B)::QAR1(F)
- Q(c);N_GUARD::QAR1(F),XQ(c)
- R(a);N_GUARD::S(C),XR(a)
- R(b);N_GUARD::S(A)
- R(b);N_GUARD::S(A),XR(b)
- B(f);S_CUTR(b)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- S(g);S_CUTQ(c)::QAR1(F)
- P(l);OGATE::QAR1(F),XP(k)
- Tries
- Try
- B(D);
- Threat
- B(H)
- Vars
- Q(c);N_GUARD,XB(D)::QAR1(F)
- R(a);N_GUARD::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(h);
- Try
- B(D);
- Threat
- B(H)
- Vars
- R(a);N_GUARD::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(h);
- Try
- B(D);
- Threat
- B(H)
- Vars
- R(a);N_GUARD::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(h);XB(D)
- Try
- B(D);
- Threat
- B(H)
- Vars
- R(b);XB(D)::S(A),XR(b)
- Q(c);N_GUARD::QAR1(F),XQ(c)
- R(a);N_GUARD::S(C),XR(a)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(f);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINS(C),XS(A)::B(H)
- P(j);XS(C)::B(H)
- B(f);::S(C)
- B(h);::B(H)
- Refutation
- B(f);P_PINS(C)
- Try
- B(D);
- Threat
- B(H)
- Vars
- Q(c);OGATE,XB(D)::QAR1(F),XQ(c)
- R(a);N_GUARD::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(f);
- Try
- B(D);
- Threat
- B(H)
- Vars
- R(a);XB(D)::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- Refutation
- B(f);
- Try
- B(D);
- Threat
- B(H)
- Vars
- R(a);N_GUARD::S(C),XR(a)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- Refutation
- B(h);XB(D)
- Try
- Q(F);XS(g)
- Threat
- QAR1(F),XP(k)
- Vars
- Q(c);N_GUARD,XP(B)::QAR1(F)
- P(k);SBLOCK,XB(D)::B(H)
- R(a);N_GUARD::S(C),XR(a)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
- P(l);OGATEB,SBLOCK::QAB(F)
- Refutation
- R(b);
- Try
- Actual
- B(D);
- Threat
- B(H)
- Vars
- Q(c);N_GUARD::QAR1(F),XQ(c)
- R(a);N_GUARD::S(C),XR(a)
- R(b);N_GUARD::S(A),XR(b)
- B(f);S_CUTR(b)::S(A)
- B(f);P_PINS(C),S_CUTR(a)::S(A)
- B(f);S_CUTQ(c)::QAR1(F)
- B(f);S_CUTR(a)::S(C)
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