MESON Chess Problem Database

Problem Display
PID: 207178 (6B1/3pp3/1p1PrP2/1P2k2P/2P3P1/BPN3NP/4K2Q/8 w - - 0 1)

Pape, Edouard

Il Problema, 1934

6B1/3pp3/1p1PrP2/1P2k2P/2P3P1/BPN3NP/4K2Q/8

#2

14 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4+
      • 2.Sge4#
    • 1...Rxf6
      • 2.Sf5#
    • 1...exf6
      • 2.Sf5#
  • Tries
    • 1.Ke3?
      • threat
        • 2.Sge4#
      • 1...Rxf6
        • 2.Sf5#
      • 1...Kxf6+!
  • Keys
    • 1.Bb2!
      • 1...Kd4+
        • 2.Sce4#
      • 1...Kf4+
        • 2.Sge4#
      • 1...Kxd6+
        • 2.Sge4#
      • 1...Kxf6+
        • 2.Sce4#
      • 1...Rxd6
        • 2.Sd5#
      • 1...Rxf6
        • 2.Sf5#
      • 1...exd6
        • 2.Sd5#
      • 1...exf6
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);CHECK,S_FLIGHT::QAB(B)+S(F)
    • R(c);SBLOCK,XP(M)::QAB(B)+S(F)
    • P(e);SBLOCK,XP(M)::QAB(B)+S(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAB(B)+S(F)
      • Vars
        • R(c);SBLOCK,XP(M)::QAB(B)+S(F)
      • Refutation
        • K(a);CHECK,S_FLIGHT,XP(M)
  • Actual
    • B(C);
    • Vars
      • K(a);CHECK,S_FLIGHT::B(C)+S(E)
      • K(a);CHECK,S_FLIGHT::QAB(B)+S(F)
      • K(a);CHECK,S_FLIGHT,XP(L)::QAB(B)+S(F),DCHECK
      • K(a);CHECK,S_FLIGHT,XP(M)::B(C)+S(E),DCHECK
      • R(c);SBLOCK,XP(L)::B(C)+S(E)
      • R(c);SBLOCK,XP(M)::QAB(B)+S(F)
      • P(e);SBLOCK,XP(L)::B(C)+S(E)
      • P(e);SBLOCK,XP(M)::QAB(B)+S(F)
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