MESON Chess Problem Database
Problem Display
PID: 274537 (8/1N6/1pp5/8/k2B4/2pr3r/K2bQ3/1R6 w - - 0 1)
Sigalov, Aleksandr I
Buletin Problemistic, 1981
#2
5 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Rde3
- 2.Qc4#
- 2.Qa6#
- 1...Rdf3
- 2.Qc4#
- 2.Qa6#
- 1...Rdg3
- 2.Qc4#
- 2.Qa6#
- 1...Rxd4
- 2.Qa6#
- 1...Bc1
- 2.Qc2#
- 1...Be1
- 2.Qc2#
- 1...Be3
- 2.Qc2#
- 1...Bf4
- 2.Qc2#
- 1...Bg5
- 2.Qc2#
- 1...Bh6
- 2.Qc2#
- 1...Rde3
- Tries
- 1.Bxb6?
- threat
- 2.Sc5#
- 1...Rd5
- 2.Qc4#
- 1...Be3
- 2.Qc2#
- 1...c5
- 2.Sxc5#
- 1...Rh5!
- threat
- 1.Qe6?
- threat
- 2.Qb3#
- 2.Qc4#
- 1...Rxd4
- 2.Qb3#
- 1...b5
- 2.Qb3#
- 1...c2!
- threat
- 1.Bxb6?
- Keys
- 1.Bxc3!
- threat
- 2.Rb4#
- 2.Qd1#
- 1...Rxc3
- 2.Qa6#
- 1...Bxc3
- 2.Qc2#
- 1...Rh1
- 2.Rb4#
- 1...Rd4
- 2.Qd1#
- 2.Qa6#
- 1...Rh4
- 2.Qd1#
- 1...Bc1
- 2.Rb4#
- 2.Qc2#
- 1...Be1
- 2.Rb4#
- 2.Qc2#
- 1...Be3
- 2.Rb4#
- 2.Qc2#
- 1...Bf4
- 2.Rb4#
- 2.Qc2#
- 1...Bg5
- 2.Rb4#
- 2.Qc2#
- 1...Bh6
- 2.Rb4#
- 2.Qc2#
- 1...c5
- 2.Qd1#
- threat
- 1.Bxc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- R(c);OGATE,XB(D)::QAR2(C)
- B(a);OGATE::QAB(C)
- Tries
- Try
- B(D);XP(f)
- Threat
- S(E)
- Vars
- R(c);OGATE::QAR2(C)
- B(a);OGATE::QAB(C)
- P(g);::S(E),XP(g)
- Refutation
- R(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(c);XB(D)::QAB1(C)
- P(f);::QAB1(C)
- Refutation
- P(b);
- Try
- Actual
- B(D);XP(b)
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,XB(D)::QAR2(C)
- B(a);OGATE,XB(D)::QAB(C)
- R(d);::R1(A)
- R(d);SBLOCK::QAB(C)
- P(g);::QAB(C)
Developed and maintained by Brian Stephenson.
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