MESON Chess Problem Database
Problem Display
PID: 15937 (1b4B1/1P2qR2/3R1r2/1p2p2b/1Pk3p1/P3B3/2P1NPN1/7K w - - 0 1)
Petkov, Petko Andonov
Schach, 1989
#2
12 + 8
| 3840 | Petkov Selected Compositions | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Qxd6
- 2.Rc7#
- 1...Qd8
- 2.Rc7#
- 1...Qf8
- 2.Rc7#
- 1...Qxb7
- 2.Rc7#
- 1...Qc7
- 2.Rxc7#
- 1...Qe8
- 2.Rc7#
- 1...Rxf2
- 2.Rf4#
- 1...Rf3
- 2.Rf4#
- 1...Rf4
- 2.Rxf4#
- 1...Rxd6
- 2.Rf4#
- 1...Rg6
- 2.Rf4#
- 1...Rh6
- 2.Rf4#
- 1...e4
- 2.Rd4#
- 1...Qxd6
- Tries
- 1.Bc1?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- 1...Ba7!
- threat
- 1.Bd2?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- 1...Ba7!
- threat
- 1.Bd4?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...exd4
- 2.Rxd4#
- 1...Rf3!
- threat
- 1.Bf4?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...exf4
- 2.Rd4#
- 1...Ba7!
- threat
- 1.Bc5?
- threat
- 2.Se3#
- 1...Rf3
- 2.Rf4#
- 1...Qxb7!
- threat
- 1.Bg5?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- 1...Ba7!
- threat
- 1.Bh6?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- 1...Ba7!
- threat
- 1.Ba7?
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- 1...Bxa7!
- threat
- 1.Rc6+?
- 1...Qc5
- 2.Rxc5#
- 1...Rxc6
- 2.Rf4#
- 1...Kd5!
- 1...Qc5
- 1.Bc1?
- Keys
- 1.Bb6!
- threat
- 2.Se3#
- 1...Qxb7
- 2.Rc7#
- 1...Rf3
- 2.Rf4#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- Q(g);OGATE,XR(I)::B(L)+R(K),DCHECK
- Q(g);OGATE::B(L)+R(K),DCHECK
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- Q(g);OGATE::B(L)+R(K),DCHECK,XQ(g)
- R(f);OGATE,XP(D)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK,XR(f)
- R(f);OGATE,XR(I)::B(L)+R(K),DCHECK
- P(d);N_GUARD::R1(I)
- Tries
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- B(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- B(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- P(d);OGATE,XB(G)::R1(I),XP(d)
- Refutation
- R(f);
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- P(d);N_GUARD,XB(G)::R1(I)
- Refutation
- B(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- Q(g);P_PINS(E),XP(J)
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- B(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- B(h);
- Try
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
- Refutation
- B(h);XB(G)
- Try
- R(I);CHECK
- Vars
- Q(g);N_GUARD,P_SPINQ(g)::R1(I),XQ(g)
- R(f);OGATE,XR(I)::B(L)+R(K),DCHECK
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- B(G);
- Threat
- S(E)
- Vars
- Q(g);OGATE,P_PINS(E),XP(J)::B(L)+R(K),DCHECK
- R(f);OGATE::B(L)+R(K),DCHECK
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