MESON Chess Problem Database

Problem Display
PID: 202274 (2q5/1n1bBpR1/2p5/7r/R5pN/4p1kP/6B1/6K1 w - - 0 1)

Moran, Patrick

1st Prize, Good Companions, 1923

2q5/1n1bBpR1/2p5/7r/R5pN/4p1kP/6B1/6K1

#2

7 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Raxg4#
      • 2.Rgxg4#
  • Tries
    • 1.Sf5+?
      • 1...Rxf5
        • 2.Raxg4#
        • 2.Rgxg4#
      • 1...Bxf5!
  • Keys
    • 1.Bb4!
      • threat
        • 2.Be1#
      • 1...Kf4
        • 2.Bd6#
      • 1...Kxh4
        • 2.Be1#
      • 1...Rf5
        • 2.Rxg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • B(g);XS(E)
  • Actual
    • B(F);
    • Threat
      • B(F)
    • Vars
      • K(b);N_SPINP(c),S_FLIGHT::R(D)+B(F),DCHECK
      • K(b);N_SPINP(c),S_FLIGHT,XS(E)::B(F)
      • R(d);S_CUTB(g)::R1(G),XP(c)
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