MESON Chess Problem Database

Problem Display
PID: 69140 (8/1P1p1N2/RP1P1pN1/2k2K1p/7R/2p5/2P1B3/7Q w - - 0 1)

Banaszek, Marcin

Die Schwalbe, 1988

8/1P1p1N2/RP1P1pN1/2k2K1p/7R/2p5/2P1B3/7Q

#2

11 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Ke4?
      • 1...Kb4
        • 2.Kd5#
      • 1...Kc6
        • 2.Kd4#
      • 1...f5+!
    • 1.Re4?
      • 1...Kd5
        • 2.Rc4#
      • 1...Kc6
        • 2.Re5#
      • 1...h4!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...Kd5
        • 2.Qb5#
      • 1...Kc6!
    • 1.Qg1+?
      • 1...Kd5
        • 2.Se7#
        • 2.Bf3#
      • 1...Kc6!
  • Keys
    • 1.Sf4!
      • 1...Kb4
        • 2.Se6#
      • 1...Kd4
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::R(D)+K(E)
        • K(b);P-FLIGHT::QAB(A)+K(E)
      • Refutation
        • P(d);CHECK
    • Try
      • R(D);
      • Vars
        • K(b);P-FLIGHT::QAB(A)+R(D)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(I);
    • Vars
      • K(b);S_FLIGHT::R(D)+S(I)
      • K(b);S_FLIGHT::QAB(A)
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