MESON Chess Problem Database

Problem Display
PID: 139139 (8/1b2p3/n1Bp4/R7/1pkP4/8/1BP3R1/7K w - - 0 1)

Pape, Edouard

L'Intransigeant, 1933

8/1b2p3/n1Bp4/R7/1pkP4/8/1BP3R1/7K

#2

7 + 6

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bc8
      • 2.Bd5#
    • 1...d5
      • 2.Bb5#
  • Keys
    • 1.Rg4!
      • threat
        • 2.d5#
      • 1...Bc8
        • 2.Bd5#
      • 1...Sc5
        • 2.dxc5#
      • 1...d5
        • 2.Bb5#
      • 1...e5
        • 2.dxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::B(G)
    • P(d);SBLOCK::B(G)
  • Actual
    • R(D);P_SPINB(G)
    • Threat
      • R(D)+P(E)
    • Vars
      • B(e);N_GUARD,N_PINB(G)::B(G)
      • S(c);OGATE::R(D)+P(E),XS(c)
      • P(d);N_PINB(G),SBLOCK::B(G)
      • P(f);OGATE::R(D)+P(E),XP(f)
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