MESON Chess Problem Database

Problem Display
PID: 130611 (1K4R1/4p3/7p/R2nB2k/7P/6P1/4N2b/8 w - - 0 1)

Pelle, Charles

Bulletin de la FFE, 1936

1K4R1/4p3/7p/R2nB2k/7P/6P1/4N2b/8

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sf4#
    • 1...Se3
      • 2.Sf4#
    • 1...Sb4
      • 2.Sf4#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sb6
      • 2.Sf4#
    • 1...Sf6
      • 2.Sf4#
    • 1...Sc7
      • 2.Sf4#
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sf4#
      • 1...Bxg3+
        • 2.Sxg3#
      • 1...e5
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
  • Actual
    • B(E);P_PINS(b),P_SPINP(B)
    • Threat
      • S(A)
    • Vars
      • B(a);CHECK,XP(B)::S(A),XB(a)
      • P(e);N_PINP(B),N_SPINS(b)::P(B)
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