MESON Chess Problem Database

Problem Display
PID: 183504 (3BB3/p2pP1p1/Rb1kPPp1/pKpPp3/4PN1N/7p/Q1R4P/8 w - c5 0 1)

Pelle, Charles

1st HM., Arc-en-ciel, 1944

3BB3/p2pP1p1/Rb1kPPp1/pKpPp3/4PN1N/7p/Q1R4P/8

#2

14 + 10

78 Bulletin Ouvrier des Echecs 1955

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Qa3#
    • 1...g5
      • 2.Sf5#
  • Keys
    • 1.dxc5 ep!
      • threat
        • 2.Qd5#
      • 1...dxc6+
        • 2.Rxc6#
      • 1...Bxd8
        • 2.c7#
      • 1...dxe6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATEB::QAB(A)
    • P(g);N_GUARD::S(F)
  • Actual
    • P(H);EP,N_PINB(e),XP(c)
    • Threat
      • QAR1(A)
    • Vars
      • P(i);CHECK,OGATE,XP(H)::R1(B),XP(i)
      • B(e);XB(M)::R(I)+P(H)
      • P(i);OGATE,XP(J)::QAR1(A),XP(i)
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