MESON Chess Problem Database

Problem Display
PID: 217468 (2B3K1/8/2QP4/4k1p1/1P1b4/3R2P1/4nP2/2n5 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Sachova skladba, 2002

2B3K1/8/2QP4/4k1p1/1P1b4/3R2P1/4nP2/2n5

#2

8 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ke4
        • 2.Bf5#
        • 2.Bb7#
        • 2.Qf5#
        • 2.f3#
      • 1...Kxd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qf5#
      • 1...Bc5!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Qe6#
        • 2.Qf5#
      • 1...Kxd5!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Bf5#
        • 2.Qf5#
      • 1...Kf6
        • 2.Qf5#
      • 1...Bxc5!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qe6#
      • 1...Ke4
        • 2.Re3#
      • 1...Kxd6
        • 2.Qc5#
      • 1...Kf6
        • 2.Qe6#
      • 1...Sxg3
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);P_SPINB(c),S_FLIGHT,XP(F)::QAB1(E)
        • K(d);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(d);P-FLIGHT,P_SPINB(c),XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • B(c);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • K(d);P-FLIGHT,P_SPINB(c)::R1(B)
      • K(d);P_SPINB(c),S_FLIGHT,XP(F)::QAB1(E)
      • K(d);S_FLIGHT::QAR1(E)
      • S(b);N_GUARD,XP(C)::QAB1(E),XB(c)
      • S(b);N_GUARD::QAB1(E),XB(c)
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