MESON Chess Problem Database

Problem Display
PID: 52922 (8/2K1N3/5Bp1/5P2/4pk2/5P2/5Q2/8 w - - 0 1)

Sola, Pentti Olavi

Suomen Shakki, 1926

8/2K1N3/5Bp1/5P2/4pk2/5P2/5Q2/8

#2

6 + 3

3713 Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...gxf5
      • 2.Sd5#
      • 2.Sg6#
  • Tries
    • 1.Bg5+?
      • 1...Ke5
        • 2.Qc5#
        • 2.Qb2#
        • 2.f4#
      • 1...Kxg5!
  • Keys
    • 1.Bh4!
      • 1...Ke5
        • 2.f4#
      • 1...exf3
        • 2.Qd4#
      • 1...gxf5
        • 2.Sg6#
      • 1...e3
        • 2.Qg3#
      • 1...g5
        • 2.Bg3#

Anticipated by 4868(1892), 112965(1898)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Refutation
        • K(b);S_FLIGHT,XB(D)
  • Actual
    • B(D);
    • Vars
      • K(b);OGATE,S_FLIGHT::P(B)
      • P(a);OGATEB,P_SPINP(a),SBLOCK,XP(B)::QAR2(A)
      • P(c);SBLOCK,XP(C)::S(F)
      • P(a);SBLOCK::QAB1(A)
      • P(c);SBLOCK::B(D)
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