MESON Chess Problem Database
Problem Display
PID: 85172 (8/3Q4/pP1n4/1P6/kB4R1/2PK4/P7/8 w - - 0 1)
Makaronets, Leonid
Canadian Chess Chat, 1982
#2
8 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- Tries
- 1.Kc2?
- 1...axb5
- 2.Qa7#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...a5
- 2.Bxd6#
- 1...Sxb5!
- 1...axb5
- 1.Rc4?
- 1...Sxc4
- 2.bxa6#
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...Sxc4
- 1.Rd4?
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...axb5
- 1.Re4?
- 1...Sxe4
- 2.bxa6#
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...Sxe4
- 1.Rf4?
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...axb5
- 1.Rh4?
- 1...axb5
- 2.Qa7#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...axb5
- 1.Qc6?
- 1...axb5
- 2.Qa8#
- 1...a5
- 2.Bxd6#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...Sxb5!
- 1...axb5
- 1.Kc2?
- Keys
- 1.Ke2!
- 1...Sxb5
- 2.Qd1#
- 1...axb5
- 2.Qa7#
- 1...Sc4
- 2.bxa6#
- 1...Se4
- 2.bxa6#
- 1...Sf5
- 2.bxa6#
- 1...Sb7
- 2.bxa6#
- 1...Sf7
- 2.bxa6#
- 1...Sc8
- 2.bxa6#
- 1...Se8
- 2.bxa6#
- 1...a5
- 2.Bxd6#
- 1...Sxb5
- 1.Ke2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- R(E);
- Vars
- S(c);N_GUARD,XR(E)::QAB(H)+P(F),XP(b)
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- R(E);
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- R(E);
- Vars
- S(c);N_GUARD,XR(E)::QAB(H)+P(F),XP(b)
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- R(E);
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- R(E);
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- Q(H);
- Vars
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- P(b);SBLOCK::R(E)+B(D),XS(c)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- Refutation
- S(c);P_SPINS(c),XP(F)
- Try
- Actual
- K(C);S_FLIGHT
- Vars
- S(c);OGATE,P_SPINS(c),SBLOCK,XP(F)::QAB(H)
- P(b);OGATEB,P_SPINP(b),SBLOCK,XP(F)::QAR(H)
- S(c);N_GUARD::QAB(H)+P(F),XP(b)
- P(b);SBLOCK::R(E)+B(D),XS(c)
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