MESON Chess Problem Database

Problem Display
PID: 185150 (1K6/1p6/k1b4B/8/1Qp5/n4B2/8/8 w - - 0 1)

Sundman, Gote

Springaren TT, 1948

1K6/1p6/k1b4B/8/1Qp5/n4B2/8/8

#2

4 + 5

15601 Albrecht-Leiss-Degener Collection 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ba4
      • 2.Bxb7#
    • 1...Bd7
      • 2.Bxb7#
    • 1...Be8
      • 2.Bxb7#
  • Tries
    • 1.Qa4+?
      • 1...Kb6
        • 2.Be3#
      • 1...Bxa4!
  • Keys
    • 1.Be3!
      • threat
        • 2.Qb6#
      • 1...Bb5
        • 2.Bxb7#
      • 1...Sb5
        • 2.Qa4#
      • 1...b5
        • 2.Qxa3#
      • 1...b6
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • B(d);OGATE::B(A),XP(e)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);P-FLIGHT::B(C)
      • Refutation
        • B(d);XQ(B)
  • Actual
    • B(C);
    • Threat
      • QAR1(B)
    • Vars
      • B(d);OGATE::B(A),XP(e)
      • S(a);S_CUTB(d)::QAR2(B)
      • P(e);SBLOCK,S_CUTB(d)::QAR(B),XS(a)
      • P(e);::QAR1(B),XP(e)
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