MESON Chess Problem Database

Problem Display
PID: 185218 (5R2/3kp2Q/3pp3/1K6/8/8/8/8 w - - 0 1)

Kozhakina, Alena Vladimirova

Sachova skladba, 2009

5R2/3kp2Q/3pp3/1K6/8/8/8/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Qxe7#
  • Tries
    • 1.Rd8+?
      • 1...Kc7
        • 2.Qxe7#
      • 1...Kxd8!
    • 1.Re8?
      • threat
        • 2.Qxe7#
      • 1...Kc7
        • 2.Qxe7#
      • 1...Kxe8!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc6#
        • 2.Qc8#
      • 1...d5
        • 2.Qc6#
      • 1...e5
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(c);P-FLIGHT::QAR2(B),XP(d)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR2(B),XP(d)
      • Refutation
        • K(c);N_SPINP(d),P-FLIGHT,XR(C)
    • Try
      • R(C);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • K(c);P-FLIGHT::QAR2(B),XP(d)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT,XR(C)
  • Actual
    • Q(B);N_PINP(d)
    • Threat
      • DUALS(2)
    • Vars
      • P(a);::QAB1(B)
      • P(b);::QAB1(B)
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