MESON Chess Problem Database

Problem Display
PID: 258247 (1b2k3/R2p1p2/2N4B/2n5/8/K7/8/1bQ5 w - - 0 1)

Gimat, J

Probleemblad, 1948

1b2k3/R2p1p2/2N4B/2n5/8/K7/8/1bQ5

#2

5 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Re7#
    • 1...d6
      • 2.Re7#
  • Tries
    • 1.Qxc5?
      • threat
        • 2.Qe7#
        • 2.Qf8#
      • 1...d6
        • 2.Re7#
      • 1...Bd6!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qe7#
        • 2.Qd8#
        • 2.Qg8#
      • 1...dxc6
        • 2.Qe7#
        • 2.Qg8#
      • 1...f5
        • 2.Qe7#
        • 2.Qh5#
        • 2.Qg6#
        • 2.Qg8#
      • 1...f6
        • 2.Qg8#
      • 1...Bg6
        • 2.Qe7#
        • 2.Qd8#
      • 1...Bh7
        • 2.Qe7#
        • 2.Qd8#
      • 1...Bd6
        • 2.Qd8#
      • 1...Bc7
        • 2.Qe7#
        • 2.Qg8#
      • 1...Se6
        • 2.Qe7#
      • 1...Sb7
        • 2.Qe7#
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATE::R1(E)
  • Tries
    • Try
      • Q(A);XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);OGATE::R1(E)
      • Refutation
        • B(e);P_PINQ(A)
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • P(d);::QAR2(A)
      • B(e);::QAR1(A)
      • S(b);::QAR1(A)
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Developed and maintained by Brian Stephenson.
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