MESON Chess Problem Database

Problem Display
PID: 198439 (8/3pK1p1/6p1/2p1k1p1/3R4/B7/Q4P2/1B5b w - - 0 1)

Mirkailo, Dragoljub

Sachova skladba, 1997

8/3pK1p1/6p1/2p1k1p1/3R4/B7/Q4P2/1B5b

#2

6 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Bb2#
    • 1...Bd5
      • 2.Qxd5#
    • 1...cxd4
      • 2.Bd6#
  • Tries
    • 1.Re4+?
      • 1...Kf5
        • 2.Qd5#
        • 2.Qf7#
      • 1...Bxe4!
    • 1.Qe6+?
      • 1...Kxd4
        • 2.Bb2#
      • 1...dxe6!
    • 1.Qg8?
      • threat
        • 2.Qxg7#
      • 1...Kxd4
        • 2.Bb2#
      • 1...cxd4
        • 2.Bd6#
      • 1...Be4!
    • 1.Qe2+?
      • 1...Be4
        • 2.Qxe4#
      • 1...Kxd4!
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qxg7#
      • 1...Kxd4
        • 2.Bb2#
      • 1...cxd4
        • 2.Bd6#
      • 1...Be4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,S_FLIGHT,XR(E)::B(D)
    • B(a);N_GUARD::QAR1(B),XB(a)
    • P(b);OGATE,SBLOCK,XR(E)::B(D)
  • Tries
    • Try
      • R(E);CHECK
      • Refutation
        • B(a);XR(E)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XR(E)::B(D)
      • Refutation
        • P(f);XQ(B)
    • Try
      • Q(B);
      • Threat
        • QAB(B),XP(g)
      • Vars
        • K(c);OGATEB,S_FLIGHT,XR(E)::B(D)
        • P(b);OGATE,SBLOCK,XR(E)::B(D)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR1(B),XB(a)
      • Refutation
        • K(c);S_FLIGHT,XR(E)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(g)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(E)::B(D)
      • P(b);OGATE,SBLOCK,XR(E)::B(D)
      • B(a);N_GUARD::R1(E),XB(a)
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