MESON Chess Problem Database

Problem Display
PID: 223293 (8/6Qn/5p1r/PpkB4/3R1P2/1P1p1n2/1K5p/8 w - - 0 1)

Donata Fonda, Gian

Charleston Sunday News, 1885

8/6Qn/5p1r/PpkB4/3R1P2/1P1p1n2/1K5p/8

#2

7 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bxf3?
      • threat
        • 2.Qa7#
      • 1...Kxd4
        • 2.Qa7#
      • 1...f5
        • 2.Qe5#
        • 2.b4#
      • 1...b4!
  • Keys
    • 1.Ba8!
      • threat
        • 2.Qa7#
      • 1...Kxd4
        • 2.Qa7#
      • 1...Sxd4
        • 2.Qe7#
      • 1...b4
        • 2.Rd5#
      • 1...f5
        • 2.b4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);XS(c)
      • Threat
        • QAB(G)
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XR(C)::QAB(G)
      • Refutation
        • P(d);
  • Actual
    • B(F);
    • Threat
      • QAB(G)
    • Vars
      • K(e);P_SPINP(f),S_FLIGHT,XR(C)::QAB(G)
      • S(c);SBLOCK,XR(C)::QAB(G)
      • P(d);SBLOCK::R1(C)
      • P(f);::P(B)
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