MESON Chess Problem Database

Problem Display
PID: 135899 (8/6NK/6pn/6kb/3Q4/8/3NP3/8 w - - 0 1)

Pitkanen, Jorma

Springaren, 2009

8/6NK/6pn/6kb/3Q4/8/3NP3/8

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bf3
      • 2.Sxf3#
    • 1...Sg4
      • 2.Sf3#
    • 1...Sf5
      • 2.Se6#
  • Keys
    • 1.e3!
      • threat
        • 2.Qf4#
      • 1...Bg4
        • 2.Qd8#
      • 1...Sg4
        • 2.Sf3#
      • 1...Sf5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(A),XB(b)
    • S(d);S_CUTB(b)::S(A)
    • S(d);SBLOCK::S(D)
  • Actual
    • P(B);
    • Threat
      • QAB1(C)
    • Vars
      • B(b);SBLOCK::QAB(C)
      • S(d);S_CUTB(b)::S(A)
      • S(d);SBLOCK::S(D)
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