MESON Chess Problem Database

Problem Display
PID: 84492 (B1qr4/5b1p/pBnrpR1b/4p1n1/1p2kN2/1P1N2pp/8/1QK5 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

The Problemist, 1963

B1qr4/5b1p/pBnrpR1b/4p1n1/1p2kN2/1P1N2pp/8/1QK5

#2

8 + 15

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sxe5#
    • 1...Sf3
      • 2.Sf2#
  • Keys
    • 1.Sd5!
      • threat
        • 2.S3xb4#
      • 1...Sf3+
        • 2.S3f4#
      • 1...Sd4+
        • 2.Sc5#
      • 1...Sa5+
        • 2.Sc3#
      • 1...Sa7+
        • 2.Sc3#
      • 1...Se7+
        • 2.Sc3#
      • 1...Sb8+
        • 2.Sc3#
      • 1...Kxd5
        • 2.Sxb4#
      • 1...Rxd5
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::S(D),XP(e)
    • S(f);P_PINS(E),SBLOCK::QAB(A)+S(D),DCHECK
  • Actual
    • S(E);N_PINS(h)
    • Threat
      • QAB(A)+S(D),XP(c)
    • Vars
      • S(f);CHECK,SBLOCK::QAB(A)+S(D)
      • S(h);CHECK,SBLOCK::QAB(A)+S(D),DCHECK
      • S(h);CHECK::B(H)+S(E),DCHECK
      • K(d);P_SPINS(h),S_FLIGHT,XS(E)::S(D),XP(c)
      • R(i);SBLOCK,XS(E)::QAB(A)+S(D),DCHECK
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Developed and maintained by Brian Stephenson.
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