MESON Chess Problem Database

Problem Display
PID: 129782 (8/5Q2/2p5/2B1K1pR/6p1/5NkB/8/7n w - - 0 1)

Feigl, Maximilian

Deutsche Schachzeitung, 1901

8/5Q2/2p5/2B1K1pR/6p1/5NkB/8/7n

#2

6 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...gxh3
      • 2.Rxg5#
  • Tries
    • 1.Ke4?
      • threat
        • 2.Qc7#
      • 1...gxh3
        • 2.Rxg5#
      • 1...Sf2+!
    • 1.Sd2?
      • threat
        • 2.Sf1#
      • 1...Kh2
        • 2.Sf1#
      • 1...gxh3!
  • Keys
    • 1.Ke6!
      • 1...gxf3
        • 2.Qc7#
      • 1...gxh3
        • 2.Rxg5#
      • 1...Sf2
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATEB,SBLOCK,XB(B)::R(E),XP(d)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAB(F)
      • Vars
        • P(c);OGATEB,SBLOCK,XB(B)::R(E),XP(d)
      • Refutation
        • S(a);CHECK
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • K(b);S_FLIGHT::S(A)
      • Refutation
        • P(c);XB(B)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • P(c);SBLOCK,XS(A)::QAB(F)
      • P(c);OGATEB,SBLOCK,XB(B)::R(E),XP(d)
      • S(a);SBLOCK::B(C)
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