MESON Chess Problem Database

Problem Display
PID: 98059 (8/BpK1pp2/8/3kPP1R/4R3/8/8/1B6 w - - 0 1)

Jonsson, Gustav

Problemnoter, 1957

8/BpK1pp2/8/3kPP1R/4R3/8/8/1B6

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.e6?
      • threat
        • 2.f6#
      • 1...fxe6
        • 2.fxe6#
      • 1...f6!
  • Keys
    • 1.f6!
      • threat
        • 2.e6#
      • 1...Ke6
        • 2.Ba2#
      • 1...exf6
        • 2.exf6#
      • 1...e6
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Threat
        • R(E)+P(D)
      • Vars
        • P(d);OGATE,XP(C)::R(E)+P(D),XP(d)
      • Refutation
        • P(d);
  • Actual
    • P(D);
    • Threat
      • R(E)+P(C)
    • Vars
      • K(a);S_FLIGHT::B(A)
      • P(c);OGATE,XP(D)::R(E)+P(C),XP(c)
      • P(c);SBLOCK::R1(B)
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