MESON Chess Problem Database

Problem Display
PID: 99214 (B2R4/8/2rb1K2/3k1P2/6NR/1P6/4P3/1Q6 w - - 0 1)

Killgus, Johannes

Magyar Sakkelet, 1989

B2R4/8/2rb1K2/3k1P2/6NR/1P6/4P3/1Q6

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.b4?
      • threat
        • 2.Se3#
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kc4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Se3#
        • 2.Qc4#
      • 1...Kd4
        • 2.Se3#
      • 1...Ke4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);N_SPINR(b),P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);N_SPINB(c),N_SPINR(b),S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);N_SPINR(b),P-FLIGHT::R(E)+S(D)
      • K(a);N_SPINB(c),S_FLIGHT::QAR2(A)
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