MESON Chess Problem Database

Problem Display
PID: 23024 (8/8/2K5/8/8/2Qp4/kBP5/3r4 w - - 0 1)

Keiv, Anatoly N

Smena, 1998

8/8/2K5/8/8/2Qp4/kBP5/3r4

#2

4 + 3

2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2013
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qa3#
      • 2.Qb3#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Qb2#
      • 1...Kb1
        • 2.Qb2#
      • 1...Rxc1!
    • 1.Ba3?
      • threat
        • 2.Qb2#
      • 1...Kb1
        • 2.Qb2#
      • 1...Rb1!
  • Keys
    • 1.Ba1!
      • threat
        • 2.Qb2#
      • 1...Kb1
        • 2.Qb2#
      • 1...Rxa1
        • 2.Qb3#
      • 1...Rb1
        • 2.Qa5#

Anticipated by 129888(1935), 206805(1991)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • R(a);XB(A)
    • Try
      • B(A);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);S_FLIGHT::QAR1(C)
      • Refutation
        • R(a);
  • Actual
    • B(A);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);S_FLIGHT::QAR1(C)
      • R(a);SBLOCK,XB(A)::QAB1(C)
      • R(a);SBLOCK::QAR(C)
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