MESON Chess Problem Database
Problem Display
PID: 41547 (8/2R3N1/3P1p2/3k1p2/2prb1RK/4Q3/4NP1B/q6B w - - 0 1)
Gockel, Hubert
Freie Presse, 1992
#2
10 + 7
| 23 | Die Schwalbe | 2002 |
SOLUTION
- SOUND
- Sets
- 1...Qc3
- 2.Sxc3#
- 1...Qb1
- 2.Sc3#
- 2.Qxd4#
- 1...Qc1
- 2.Qxd4#
- 1...Qd1
- 2.Sc3#
- 1...Qe1
- 2.Qxd4#
- 1...Qf1
- 2.Sc3#
- 2.Qxd4#
- 1...Qg1
- 2.Sc3#
- 2.Qxd4#
- 1...Qxh1
- 2.Sc3#
- 2.Qxd4#
- 1...Qa2
- 2.Sc3#
- 2.Qxd4#
- 1...Qa3
- 2.Qxd4#
- 1...Qa4
- 2.Sc3#
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 1...Qa6
- 2.Sc3#
- 2.Qxd4#
- 1...Qa7
- 2.Sc3#
- 1...Qa8
- 2.Sc3#
- 2.Qxd4#
- 1...Rd1
- 2.Rc5#
- 2.Qc5#
- 1...Rd2
- 2.Rc5#
- 2.Qc5#
- 1...Rd3
- 2.Rc5#
- 2.Qc5#
- 1...Bxh1
- 2.Qe6#
- 1...Bg2
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- 1...c3
- 2.Qxd4#
- 1...Qc3
- Tries
- 1.Bxe4+?
- 1...Rxe4
- 2.Rc5#
- 2.Qc5#
- 1...fxe4!
- 1...Rxe4
- 1.Qg5?
- threat
- 2.Qxf5#
- 1...Qxh1
- 2.Sc3#
- 1...Rd1
- 2.Bxe4#
- 1...Rd2
- 2.Bxe4#
- 1...Rd3
- 2.Bxe4#
- 1...fxg5+!
- threat
- 1.Qa3?
- threat
- 2.Rc5#
- 2.Qc5#
- 1...f4
- 2.Qc5#
- 1...Qxa3!
- threat
- 1.d7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Qxh1
- 2.Sc3#
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Bxh1
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...fxg4
- 2.d8Q#
- 2.d8R#
- 1...Qb2
- 2.d8Q#
- 2.d8R#
- 1...Qc3
- 2.Sxc3#
- 2.d8Q#
- 2.d8R#
- 1...Qb1
- 2.Sc3#
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qc1
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qd1
- 2.Sc3#
- 2.d8Q#
- 2.d8R#
- 1...Qe1
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qf1
- 2.Sc3#
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qg1
- 2.Sc3#
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qa2
- 2.Sc3#
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qa3
- 2.Qxd4#
- 1...Qa4
- 2.Sc3#
- 2.Qxd4#
- 1...Qa5
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...Qa6
- 2.Sc3#
- 2.Qxd4#
- 1...Qa7
- 2.Sc3#
- 2.d8Q#
- 2.d8R#
- 1...Qa8
- 2.Sc3#
- 2.Qxd4#
- 1...Rd1
- 2.Rc5#
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 1...Rd2
- 2.Rc5#
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 1...Rd3
- 2.Rc5#
- 2.Qc5#
- 2.d8Q#
- 2.d8R#
- 1...Bg2
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...Bf3
- 2.Qe6#
- 2.d8Q#
- 2.d8R#
- 1...c3
- 2.Qxd4#
- 2.d8Q#
- 2.d8R#
- 1...f4!
- threat
- 1.Bxe4+?
- Keys
- 1.Rf4!
- threat
- 2.Rxf5#
- 1...Ke5
- 2.Rxf5#
- 1...Kxd6
- 2.Rxf5#
- 1...Qxh1
- 2.Qxd4#
- 1...Bxh1
- 2.Qe6#
- 1...Rd1
- 2.Qc5#
- 1...Rd2
- 2.Qc5#
- 1...Rd3
- 2.Qc5#
- 1...Bg2
- 2.Qe6#
- 1...Bf3
- 2.Qe6#
- threat
- 1.Rf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 8
- Sets
- Q(a);N_GUARD::S(B),XQ(a)
- Q(a);N_GUARD::QAR1(E),XR(c)
- Q(a);N_GUARD::S(B)
- Q(a);N_GUARD,P_PINP(C)::QAR1(E),XR(c)
- B(d);N_SPINB(d),OGATE,P_PINR(F),XB(A)::QAB1(E)
- B(d);OGATE,P_PINR(F)::QAB1(E)
- P(b);S_CUTQ(a)::QAR1(E),XR(c)
- Tries
- Try
- B(A);CHECK,XB(d)
- Refutation
- P(f);XB(A)
- Try
- Q(E);P_PINP(f)
- Threat
- QAR2(E),XP(f)
- Vars
- Q(a);N_GUARD,N_SPINB(d),P_PINB(D),XB(A)::S(B)
- R(c);N_GUARD::B(A),XB(d)
- Refutation
- P(g);CHECK,N_SPINP(f),XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(f);::QAR1(E)
- Refutation
- Q(a);XQ(E)
- Try
- P(H);
- Threat
- P=Q
- Vars
- P(f);XR(F)::P=Q
- Q(a);::P=Q
- Q(a);N_GUARD::QAR1(E),XR(c)
- Refutation
- P(f);
- Try
- Actual
- R(F);
- Threat
- R(F),XP(f)
- Vars
- K(e);P-FLIGHT::B(D)+R(F),DCHECK,XP(f)
- K(e);N_SPINB(d),P-FLIGHT,XP(H)::B(D)+R(F),XP(f)
- Q(a);N_GUARD,N_SPINB(d),P_PINB(D),XB(A)::QAR1(E),XR(c)
- B(d);N_SPINB(d),OGATE,P_PINR(F),XB(A)::QAB1(E)
- R(c);OGATE::QAR1(E)
- B(d);OGATE,P_PINR(F)::QAB1(E)
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