MESON Chess Problem Database

Problem Display
PID: 51479 (1Q4B1/5p2/2pR4/2k5/2b2K2/8/4P3/8 w - - 0 1)

Aizikowicz, Jakov

The Guardian, 1961

1Q4B1/5p2/2pR4/2k5/2b2K2/8/4P3/8

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc6+?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kd5
        • 2.Qd6#
      • 1...Kxc6!
  • Keys
    • 1.Rd4!
      • 1...Kxd4
        • 2.Qe5#
      • 1...Bxe2
        • 2.Qb4#
      • 1...Ba2
        • 2.Qb4#
      • 1...Bb3
        • 2.Qb4#
      • 1...Bd3
        • 2.Qb4#
      • 1...Bb5
        • 2.Qa7#
      • 1...Bd5
        • 2.Qb4#
      • 1...Ba6
        • 2.Qb4#
      • 1...Be6
        • 2.Qb4#
      • 1...f5
        • 2.Rxc4#
      • 1...f6
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
        • K(b);P-FLIGHT,P_SPINP(d)::QAR1(D)
      • Refutation
        • K(b);P-FLIGHT,XR(C)
  • Actual
    • R(C);
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB1(D)
      • B(a);XP(A)::QAB1(D)
      • B(a);::QAB1(D)
      • B(a);SBLOCK::QAB(D)
      • P(d);::R1(C),XB(a)
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