MESON Chess Problem Database

Problem Display
PID: 242937 (8/8/8/4B3/4K3/4Q2p/6k1/8 w - - 0 1)

Radchenko, Sergei Vladimirovich

Schweizerische Schachzeitung, 1991

8/8/8/4B3/4K3/4Q2p/6k1/8

#2

3 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qf2+?
      • 1...Kh1
        • 2.Qf1#
        • 2.Qh2#
      • 1...Kxf2!
    • 1.Qe2+?
      • 1...Kh1
        • 2.Qf1#
        • 2.Qh2#
      • 1...Kg1!
    • 1.Qg3+?
      • 1...Kh1
        • 2.Qh2#
      • 1...Kf1!
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qg1#
      • 1...Kf1
        • 2.Qf2#
      • 1...Kh1
        • 2.Qg1#
        • 2.Qxh3#
      • 1...Kh2
        • 2.Qg1#
      • 1...h2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAB1(A)
      • P(b);SBLOCK::QAB1(A)
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