MESON Chess Problem Database

Problem Display
PID: 8117 (8/1N1p4/1nr1PP2/1P1k4/P4P2/2B2N2/1P6/1B3K1Q w - - 0 1)

Dyachuk, Vasyl Vasilovich

Veselenchuk, Semen Ivanovich

Shakhmatnaya Poeziya, 1995-1996

8/1N1p4/1nr1PP2/1P1k4/P4P2/2B2N2/1P6/1B3K1Q

#2

12 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sd2#
    • 1...Kxe6
      • 2.Sg5#
    • 1...Rc4
      • 2.Sd4#
    • 1...Rxe6
      • 2.Se5#
    • 1...Sc4
      • 2.Sd4#
      • 2.Sg5#
    • 1...dxe6
      • 2.Sd2#
      • 2.Se5#
  • Tries
    • 1.Se1+?
      • 1...Kc4
        • 2.Ba2#
      • 1...Kxe6!
    • 1.Ba2+?
      • 1...Rc4
        • 2.Sd4#
        • 2.Sg5#
      • 1...Sc4
        • 2.Sd4#
        • 2.Sg5#
      • 1...Ke4!
    • 1.Bd3?
      • threat
        • 2.Sd4#
        • 2.Sg5#
      • 1...Kxe6
        • 2.Sg5#
      • 1...Rxe6
        • 2.Se5#
      • 1...Rc4
        • 2.Sd4#
      • 1...Rxc3!
    • 1.Be4+?
      • 1...Kc4
        • 2.Sd2#
      • 1...Kxe6
        • 2.Sg5#
      • 1...Kxe4!
    • 1.Bf5?
      • threat
        • 2.Sd2#
        • 2.Se5#
      • 1...Kc4
        • 2.Sd2#
      • 1...Rxe6
        • 2.Se5#
      • 1...Rc4
        • 2.Sd4#
      • 1...Rxc3!
    • 1.Qh5+?
      • 1...Kc4
        • 2.Sd2#
        • 2.Sa5#
      • 1...Kxe6!
    • 1.b3?
      • threat
        • 2.Sd4#
        • 2.Sg5#
      • 1...Kxe6
        • 2.Sg5#
      • 1...Rxe6
        • 2.Se5#
      • 1...Rc4
        • 2.Sd4#
      • 1...Rxc3!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Ba2#
      • 1...Kxe6
        • 2.Qg8#
      • 1...Rxe6
        • 2.Qd3#
      • 1...Rc4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(F)
    • K(a);S_FLIGHT,XP(J)::S(F)
    • R(c);SBLOCK::QAB(C)+S(F)
    • R(c);SBLOCK,XP(J)::QAB(C)+S(F)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(J)
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT,XP(J)::S(F)
        • R(c);SBLOCK,XP(J)::QAB(C)+S(F)
        • R(c);::QAB(C)+S(F)
      • Refutation
        • R(c);XB(E)
    • Try
      • B(A);CHECK
      • Vars
        • K(a);S_FLIGHT::S(F)
        • K(a);S_FLIGHT,XP(J)::S(F)
      • Refutation
        • K(a);S_FLIGHT,XB(A)
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT::S(F)
        • R(c);XP(J)::QAB(C)+S(F)
        • R(c);SBLOCK::QAB(C)+S(F)
      • Refutation
        • R(c);XB(E)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT,XP(J)
    • Try
      • P(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);S_FLIGHT,XP(J)::S(F)
        • R(c);SBLOCK,XP(J)::QAB(C)+S(F)
        • R(c);::QAB(C)+S(F)
      • Refutation
        • R(c);XB(E)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);OGATEB,S_FLIGHT,XP(J)::QAB(C)
      • R(c);SBLOCK,XP(J)::QAR2(C)
      • R(c);SBLOCK::QAR2(C)
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