MESON Chess Problem Database

Problem Display
PID: 200837 (2R5/b4K2/8/R1pk4/8/B1P5/1pB1p3/1Q6 w - - 0 1)

Krepko, Piotr Andrinovich

Sachova skladba, 1989

2R5/b4K2/8/R1pk4/8/B1P5/1pB1p3/1Q6

#2

7 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Raxc5+?
      • 1...Kd6
        • 2.Rd8#
      • 1...Bxc5!
    • 1.Qa2+?
      • 1...Kd6
        • 2.Qe6#
      • 1...Ke5!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#
      • 1...Kd6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XP(c)
      • Vars
        • K(d);P-FLIGHT::R(G)
      • Refutation
        • B(e);XR(E)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);OGATE,P-FLIGHT::QAR1(A)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(d);S_FLIGHT::QAR1(A)
      • K(d);P-FLIGHT::QAB1(A)
      • K(d);P-FLIGHT::QAR2(A)
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