MESON Chess Problem Database

Problem Display
PID: 10860 (8/8/Q7/3K4/8/8/4R3/2b3Bk w - - 0 1)

Pustovoi, Boris

Mini-Matt, 1969

8/8/Q7/3K4/8/8/4R3/2b3Bk

#2

4 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984
3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Tries
    • 1.Qg6?
      • threat
        • 2.Rh2#
        • 2.Qg2#
      • 1...Bf4
        • 2.Qg2#
      • 1...Bg5!
    • 1.Qh6+?
      • 1...Kxg1
        • 2.Qxc1#
      • 1...Bxh6!
  • Keys
    • 1.Qa1!
      • 1...Kxg1
        • 2.Qxc1#
      • 1...Bb2
        • 2.Rh2#
      • 1...Bd2
        • 2.Rh2#
      • 1...Ba3
        • 2.Rh2#
      • 1...Be3
        • 2.Bxe3#
        • 2.Rh2#
      • 1...Bf4
        • 2.Be3#
      • 1...Bg5
        • 2.Be3#
        • 2.Rh2#
      • 1...Bh6
        • 2.Be3#
        • 2.Rh2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(D)
      • Refutation
        • B(a);
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);OGATEB,P-FLIGHT,XB(A)::QAR(D),XB(a)
      • Refutation
        • B(a);XQ(D)
  • Actual
    • Q(D);
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINB(a),XB(A)::QAR(D),XB(a)
      • B(a);::R1(B)
      • B(a);OGATEB::QAR(D)+B(A)
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