MESON Chess Problem Database

Problem Display
PID: 75988 (6Q1/2K5/4PNR1/4kp2/4P3/4P3/b7/8 w - - 0 1)

Kazimov, Islam

StrateGems, 2007

6Q1/2K5/4PNR1/4kp2/4P3/4P3/b7/8

#2

7 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Kd7?
      • threat
        • 2.Qb8#
      • 1...Bxe6+
        • 2.Qxe6#
      • 1...fxe4!
    • 1.Qb8?
      • threat
        • 2.Kd7#
      • 1...Kxe6
        • 2.Qe8#
      • 1...Bxe6
        • 2.Kb6#
        • 2.Kc6#
        • 2.Kb7#
        • 2.Kd8#
        • 2.Qb2#
      • 1...fxe4!
    • 1.Qd8?
      • threat
        • 2.Qd6#
      • 1...Kxe6
        • 2.Qe8#
      • 1...fxe4!
    • 1.Qf8?
      • threat
        • 2.Qd6#
      • 1...Kxe6
        • 2.Sg4#
        • 2.Sd7#
        • 2.Qe8#
      • 1...fxe4!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Sd7#
      • 1...Kxe6
        • 2.Qe8#
      • 1...Bxe6
        • 2.Qa1#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Bd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Threat
        • QAB(G)
      • Vars
        • B(a);CHECK,OGATE,XP(C)::QAR1(G),XB(a)
      • Refutation
        • P(c);XP(B)
    • Try
      • Q(G);
      • Threat
        • QAB(G)+K(F)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(C)::QAR2(G)
      • Refutation
        • P(c);XP(B)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(C)::QAR2(G)
      • Refutation
        • P(c);XP(B)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Refutation
        • P(c);XP(B)
  • Actual
    • Q(G);
    • Threat
      • S(D)
    • Vars
      • K(b);OGATEB,P-FLIGHT,XP(C)::QAR2(G)
      • B(a);OGATE,SBLOCK,XP(C)::QAB(G)
      • P(c);OGATE,XP(B)::QAR1(G),XP(c)
      • B(a);N_GUARD::QAR1(G),XB(a)
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