MESON Chess Problem Database
Problem Display
PID: 60181 (1nB2B2/p1N1r3/pp1k4/3P2q1/4bP2/2R1Q1n1/8/4K3 w - - 0 1)
Drese, Gerardus Hendrikus
Highly Comm., Brisbane Courier, 1931
#2
8 + 9
| 1577 | Jaarboek | 1932 |
SOLUTION
- SOUND
- Sets
- 1...Qxf4
- 2.Qxf4#
- 1...Qxd5
- 2.Se8#
- 1...Bb1
- 2.Qe6#
- 1...Bh1
- 2.Qe6#
- 1...Bc2
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bd3
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...Bxd5
- 2.Se8#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Qe6#
- 1...Bh7
- 2.Qe6#
- 1...Sc6
- 2.Rxc6#
- 1...Sd7
- 2.Rc6#
- 1...b5
- 2.Qc5#
- 1...Qxf4
- Tries
- 1.Sb5+?
- 1...Kxd5
- 2.Qd4#
- 1...axb5!
- 1...Kxd5
- 1.Rc1?
- threat
- 2.Qa3#
- 1...Qxf4
- 2.Qxf4#
- 1...Qxd5
- 2.Se8#
- 1...Bxd5
- 2.Se8#
- 1...Sc6
- 2.Rxc6#
- 1...Bb1
- 2.Qe6#
- 1...Bh1
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bd3
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Qe6#
- 1...Bh7
- 2.Qe6#
- 1...Sd7
- 2.Rc6#
- 1...b5
- 2.Qc5#
- 1...Bc2!
- threat
- 1.Rc2?
- threat
- 2.Qa3#
- 1...Qxf4
- 2.Qxf4#
- 1...Qxd5
- 2.Se8#
- 1...Bxd5
- 2.Se8#
- 1...Sc6
- 2.Rxc6#
- 1...Bh1
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bd3
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Qe6#
- 1...Bh7
- 2.Qe6#
- 1...Sd7
- 2.Rc6#
- 1...b5
- 2.Qc5#
- 1...Bxc2!
- threat
- 1.Qxb6+?
- 1...Sc6
- 2.Rxc6#
- 2.Qxc6#
- 1...axb6!
- 1...Sc6
- 1.Qxe4?
- threat
- 2.Se8#
- 2.Qe6#
- 1...Qxd5
- 2.Se8#
- 2.Bxe7#
- 2.Qxe7#
- 1...Sc6
- 2.Se8#
- 2.Rxc6#
- 1...Qf6
- 2.Se8#
- 1...Qh6
- 2.Se8#
- 2.Bxe7#
- 2.Qe5#
- 2.Qxe7#
- 1...Qg4
- 2.Se8#
- 2.Bxe7#
- 2.Qe5#
- 2.Qxe7#
- 1...Qe5
- 2.Se8#
- 2.Qxe5#
- 2.fxe5#
- 1...Qf5
- 2.Se8#
- 2.Bxe7#
- 2.Qxe7#
- 1...Qh5
- 2.Bxe7#
- 2.Qe6#
- 2.Qxe7#
- 1...Qg6
- 2.Bxe7#
- 2.Qe5#
- 2.Qxe7#
- 1...Qg8
- 2.Se8#
- 2.Bxe7#
- 2.Qe5#
- 2.Qxe7#
- 1...Sxe4!
- threat
- 1.Sb5+?
- Keys
- 1.Rc4!
- threat
- 2.Qa3#
- 1...Qxf4
- 2.Qxf4#
- 1...Qxd5
- 2.Se8#
- 1...Bxd5
- 2.Se8#
- 1...Sc6
- 2.Rxc6#
- 1...Bb1
- 2.Qe6#
- 1...Bh1
- 2.Qe6#
- 1...Bc2
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bd3
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Qe6#
- 1...Bh7
- 2.Qe6#
- 1...Sd7
- 2.Rc6#
- 1...b5
- 2.Qc5#
- threat
- 1.Rc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- Q(c);OGATE,XP(D)::QAB(C),XQ(c)
- Q(c);SBLOCK,XP(E)::S(F)
- B(b);OGATE,P_PINQ(C)::QAR1(C)
- B(b);P_PINQ(C),SBLOCK,XP(E)::S(F)
- B(b);OGATE,P_PINQ(C)::QAB1(C)
- S(i);N_GUARD::R1(B),XS(i)
- S(i);N_GUARD::R1(B)
- P(e);N_GUARD::QAB1(C)
- Tries
- Try
- S(F);CHECK
- Vars
- K(f);N_SPINR(h),P-FLIGHT,XP(E)::QAR1(C)
- Refutation
- P(d);XS(F)
- Try
- R(B);
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,XP(D)::QAB(C),XQ(c)
- Q(c);SBLOCK,XP(E)::S(F)
- B(b);P_PINQ(C),SBLOCK,XP(E)::S(F)
- S(i);N_GUARD::R1(B),XS(i)
- B(b);OGATE,P_PINQ(C)::QAR1(C)
- B(b);OGATE,P_PINQ(C)::QAB1(C)
- S(i);N_GUARD::R1(B)
- P(e);N_GUARD::QAB1(C)
- Refutation
- B(b);P_PINQ(C)
- Try
- R(B);
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,XP(D)::QAB(C),XQ(c)
- Q(c);SBLOCK,XP(E)::S(F)
- B(b);P_PINQ(C),SBLOCK,XP(E)::S(F)
- S(i);N_GUARD::R1(B),XS(i)
- B(b);OGATE,P_PINQ(C)::QAR1(C)
- B(b);OGATE,P_PINQ(C)::QAB1(C)
- S(i);N_GUARD::R1(B)
- P(e);N_GUARD::QAB1(C)
- Refutation
- B(b);P_PINQ(C),XR(B)
- Try
- Q(C);CHECK,XP(e)
- Refutation
- P(g);XQ(C)
- Try
- Q(C);P_SPINQ(C),XB(b)
- Threat
- DUALS(2)
- Vars
- Q(c);::S(F)
- Refutation
- S(a);XQ(C)
- Try
- Actual
- R(B);
- Threat
- QAB(C)
- Vars
- Q(c);OGATE,XP(D)::QAB(C),XQ(c)
- Q(c);SBLOCK,XP(E)::S(F)
- B(b);P_PINQ(C),SBLOCK,XP(E)::S(F)
- S(i);N_GUARD::R1(B),XS(i)
- B(b);OGATE,P_PINQ(C)::QAR1(C)
- B(b);OGATE,P_PINQ(C)::QAB1(C)
- S(i);N_GUARD::R1(B)
- P(e);N_GUARD::QAB1(C)
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