MESON Chess Problem Database

Problem Display
PID: 162417 (1B6/7R/4k3/4Pn2/pN2R3/pn5B/Q3K3/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Sakkelet, 1993

1B6/7R/4k3/4Pn2/pN2R3/pn5B/Q3K3/8

#2

8 + 5

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Rg4?
      • threat
        • 2.Rg6#
      • 1...Sg3+
        • 2.Rxg3#
      • 1...Sd4+
        • 2.Rxd4#
      • 1...Sg7
        • 2.Rgxg7#
      • 1...Sd6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc6#
      • 1...Sc1+
        • 2.Rxc1#
      • 1...Sd4+
        • 2.Rxd4#
      • 1...Sc5
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Threat
        • R(E)
      • Vars
        • S(d);CHECK,OGATEB::B(C)+R(E),XS(d)
        • S(d);OGATEB::B(C)+R(E),XS(d)
      • Refutation
        • S(d);
  • Actual
    • R(E);N_PINS(b),P_PINS(d)
    • Threat
      • R(E)
    • Vars
      • S(b);CHECK,OGATEB::QAB(A)+R(E),XS(b)
      • S(b);OGATEB::QAB(A)+R(E),XS(b)
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