MESON Chess Problem Database

Problem Display
PID: 149471 (4k2r/2p2p2/5K1p/3Q1pN1/6B1/8/5pR1/8 w k - 0 1)

Dyachuk, Vasyl Vasilovich

Sp. Prize, Narodnaya tribuna, 2003

4k2r/2p2p2/5K1p/3Q1pN1/6B1/8/5pR1/8

#2

5 + 7

15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qxf7#
      • 2.Qa8#
      • 2.Qd8#
    • 1...f4
      • 2.Qa8#
  • Tries
    • 1.Se6?
      • threat
        • 2.Qc6#
        • 2.Qd8#
      • 1...c6
        • 2.Qxc6#
        • 2.Qd8#
      • 1...fxe6!
    • 1.Bxf5?
      • threat
        • 2.Qa8#
      • 1...Kf8
        • 2.Qxf7#
        • 2.Qa8#
        • 2.Qd8#
      • 1...0-0
        • 2.Sxf7#
      • 1...c6!
    • 1.Qc6+?
      • 1...Kf8
        • 2.Qa8#
      • 1...Kd8!
    • 1.Qe6+?
      • 1...Kd8
        • 2.Sxf7#
      • 1...Kf8
        • 2.Qxf7#
        • 2.Qc8#
      • 1...fxe6!
    • 1.Qd7+?
      • 1...Kf8
        • 2.Qc8#
        • 2.Qxf7#
        • 2.Qd8#
      • 1...Kxd7!
  • Keys
    • 1.Sxf7!
      • threat
        • 2.Qd8#
      • 1...Kf8
        • 2.Qa8#
        • 2.Qd8#
      • 1...0-0
        • 2.Bxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);::QAR(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Refutation
        • P(e);XS(D)
    • Try
      • B(B);XP(b)
      • Threat
        • QAR(C)
      • Vars
        • K(f);0-0,P_SPINP(e)::R(A)+S(D),XP(e)
      • Refutation
        • P(d);
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR(C)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(f);P-FLIGHT::S(D),XP(e)
      • Refutation
        • P(e);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(f);P_SPINP(b),S_FLIGHT,XQ(C)
  • Actual
    • S(D);XP(e)
    • Threat
      • QAR1(C)
    • Vars
      • K(f);0-0,OGATEB,P_PINS(D)::R(A)+B(B),XP(b)
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