MESON Chess Problem Database

Problem Display
PID: 78162 (7b/R7/2pk4/8/1P1P1K2/8/b3Q3/8 w - - 0 1)

Pradignat, Emile Leonard

La Presse, 1898

7b/R7/2pk4/8/1P1P1K2/8/b3Q3/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Rd7#
    • 1...Bd5
      • 2.Qe7#
    • 1...Be5+
      • 2.Qxe5#
  • Keys
    • 1.d5!
      • threat
        • 2.Qe6#
      • 1...Be5+
        • 2.Qxe5#
      • 1...Kxd5
        • 2.Rd7#
      • 1...Bxd5
        • 2.Qe7#
      • 1...cxd5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::R(E)
    • B(a);SBLOCK::QAB1(A)
    • B(d);CHECK,N_GUARD::QAB1(A),XB(d)
  • Actual
    • P(C);
    • Threat
      • QAR1(A)
    • Vars
      • B(d);CHECK,N_GUARD::QAB1(A),XB(d)
      • K(c);P-FLIGHT,XP(C)::R(E)
      • B(a);SBLOCK,XP(C)::QAB1(A)
      • P(b);OGATEB,SBLOCK,XP(C)::QAR(A)
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