MESON Chess Problem Database
Problem Display
PID: 33326 (KQ6/4p3/1BR5/pp1pb3/rk6/pN1B4/P5r1/1R5q w - - 0 1)
Zidek, Alexander
Die Presse, 1987
#2
8 + 10
| 3713 | Snap | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc3
- 2.Bc5#
- 1...Bc3
- Tries
- 1.Sd4+?
- 1...Rb2
- 2.Sc2#
- 1...Qxb1!
- 1...Rb2
- 1.Sc5+?
- 1...Qxb1
- 2.Sa6#
- 1...Rb2
- 2.Sa6#
- 1...Bb2
- 2.Sa6#
- 1...Kc3!
- 1...Qxb1
- 1.Bg1?
- threat
- 2.Qxb5#
- 1...Bxb8
- 2.Sd2#
- 1...Rg8
- 2.Sd4#
- 1...Qh8!
- threat
- 1.Bf2?
- threat
- 2.Qxb5#
- 1...Bxb8
- 2.Sc1#
- 1...Qh8
- 2.Sd4#
- 1...Rg8!
- threat
- 1.Rc4+?
- 1...bxc4
- 2.Bxa5#
- 1...dxc4!
- 1...bxc4
- 1.Sd4+?
- Keys
- 1.Bd4!
- threat
- 2.Qxb5#
- 1...Bxb8
- 2.Bc3#
- 1...Qh8
- 2.Sd2#
- 1...Rg8
- 2.Sc1#
- threat
- 1.Bd4!
This anticipates 109367(1993)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(i);SBLOCK::B(E)
- Tries
- Try
- S(C);CHECK
- Vars
- R(b);P_SPINR(b)::S(C)
- Refutation
- Q(a);XR(A)
- Try
- S(C);CHECK
- Vars
- Q(a);XR(A)::S(C)
- R(b);P_SPINR(b)::S(C)
- B(i);P_SPINB(i)::S(C)
- Refutation
- K(e);S_FLIGHT
- Try
- B(E);P_PINP(g)
- Threat
- QAR1(H),XP(g)
- Vars
- B(i);N_GUARD,N_SPINP(g),XQ(H)::R(A)+S(C)
- R(b);N_GUARD,P_PINQ(H)::R(A)+S(C)
- Refutation
- Q(a);P_PINQ(H)
- Try
- B(E);P_PINP(g)
- Threat
- QAR1(H),XP(g)
- Vars
- B(i);N_GUARD,N_SPINP(g),XQ(H)::R(A)+S(C)
- Q(a);N_GUARD,P_PINQ(H)::R(A)+S(C)
- Refutation
- R(b);P_PINQ(H)
- Try
- R(F);CHECK
- Vars
- P(g);XR(F)::QAR(H)+B(E),DCHECK,XP(f)
- Refutation
- P(h);XR(F)
- Try
- Actual
- B(E);P_PINP(g)
- Threat
- QAR1(H),XP(g)
- Vars
- B(i);N_GUARD,N_SPINP(g),XQ(H)::B(E)
- Q(a);N_GUARD,P_PINQ(H)::R(A)+S(C)
- R(b);N_GUARD,P_PINQ(H)::R(A)+S(C)
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