MESON Chess Problem Database
Problem Display
PID: 98479 (3rb3/NBb4q/4RP1N/2PP2Q1/3kp1p1/2R3p1/1P2K3/5n2 w - - 0 1)
Petkov, Petko Andonov
Problemas, 1980
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Sxf5#
- 1...Qg8
- 2.Sf5#
- 1...Qd7
- 2.Sf5#
- 1...Qe7
- 2.Sf5#
- 1...Qf7
- 2.Sf5#
- 1...Qg7
- 2.Sf5#
- 1...Qh8
- 2.Sf5#
- 1...Rxd5
- 2.Qxd5#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Sb5#
- 2.Sc6#
- 1...Ba5
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Bb6
- 2.Qe5#
- 1...Bb5+
- 2.Sxb5#
- 1...Bh5
- 2.Sb5#
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bg6
- 2.Sb5#
- 2.Sc6#
- 1...Bf7
- 2.Sb5#
- 2.Sc6#
- 1...Sd2
- 2.Qxd2#
- 2.Qe3#
- 1...Sh2
- 2.Qd2#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Qf5
- Tries
- 1.Bc6?
- threat
- 2.Sb5#
- 1...Bxc6
- 2.Sxc6#
- 1...Rb8!
- threat
- 1.Rxe4+?
- 1...Kxe4
- 2.Rc4#
- 1...Qxe4+!
- 1...Kxe4
- 1.Rxe8?
- threat
- 2.Sb5#
- 2.Sc6#
- 1...Qf5
- 2.Sxf5#
- 2.Sb5#
- 1...Rd6
- 2.Sb5#
- 2.Qe5#
- 1...Be5
- 2.Sb5#
- 2.Qxe5#
- 1...Qd7!
- threat
- 1.Qc1?
- threat
- 2.Rc4#
- 1...Bb5+
- 2.Sxb5#
- 1...Sd2
- 2.Qxd2#
- 1...Se3
- 2.Qd2#
- 2.Qxe3#
- 1...Bc6!
- threat
- 1.Qf5?
- threat
- 2.Rxe4#
- 1...Bb5+
- 2.Sxb5#
- 1...Qxf5
- 2.Sxf5#
- 1...Qe7
- 2.Qxe4#
- 1...Be5
- 2.Qxe5#
- 1...e3
- 2.Re4#
- 1...Sd2!
- threat
- 1.b3?
- threat
- 2.Rc4#
- 1...Bb5+
- 2.Sxb5#
- 1...Sd2
- 2.Qxd2#
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Kxc3!
- threat
- 1.Bc6?
- Keys
- 1.d6!
- threat
- 2.Qd5#
- 2.Qe5#
- 1...Bb5+
- 2.Sxb5#
- 1...Rxd6
- 2.Qe5#
- 1...Bxd6
- 2.Qd5#
- 1...Qf5
- 2.Sxf5#
- 1...Bc6
- 2.Sxc6#
- 2.Qe5#
- 1...Se3
- 2.Qxe3#
- 2.Qe5#
- threat
- 1.d6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD::S(I),XQ(g)
- Q(g);N_GUARD::S(I)
- R(h);OGATE,XP(E)::QAR1(F),XR(h)
- R(h);S_CUTB(f)::QAB1(F)
- B(f);N_GUARD::QAB1(F)
- B(f);N_GUARD::QAB1(F),XB(f)
- B(i);CHECK,N_GUARD::S(J),XB(i)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(F),XS(a)
- Tries
- Try
- B(K);
- Threat
- S(J)
- Vars
- B(i);XB(K)::S(J),XB(i)
- Refutation
- R(h);
- Try
- R(G);CHECK,XP(d)
- Vars
- K(c);P-FLIGHT,XR(G)::R(C)
- Refutation
- Q(g);CHECK,XR(G)
- Try
- R(G);XB(i)
- Threat
- DUALS(2)
- Refutation
- Q(g);
- Try
- Q(F);
- Threat
- R1(C)
- Vars
- B(i);CHECK,N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAR2(F),XS(a)
- Refutation
- B(i);
- Try
- Q(F);
- Threat
- R1(G),XP(d)
- Vars
- B(i);CHECK,N_GUARD::S(J),XB(i)
- Q(g);XQ(F)::S(I),XQ(g)
- Q(g);N_GUARD::QAR1(F),XP(d)
- B(f);N_GUARD::QAB1(F),XB(f)
- P(d);::R1(G)
- Refutation
- S(a);
- Try
- P(A);
- Threat
- R1(C)
- Vars
- B(i);CHECK,N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB1(F),XS(a)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- Actual
- P(E);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,N_GUARD::S(J),XB(i)
- R(h);XP(E)::QAB1(F)
- B(f);XP(E)::QAR1(F)
- Q(g);N_GUARD::S(I),XQ(g)
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