MESON Chess Problem Database

Problem Display
PID: 235228 (Nq1k4/1b1P4/5P2/2N1pB2/8/1R6/8/R3K3 w - - 0 1)

Heyl, Peter

Schach-Aktiv, 2006

Nq1k4/1b1P4/5P2/2N1pB2/8/1R6/8/R3K3

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Sxb7#
    • 1...Bh1
      • 2.Rxb8#
    • 1...Bg2
      • 2.Rxb8#
    • 1...Bf3
      • 2.Rxb8#
    • 1...Be4
      • 2.Rxb8#
    • 1...Bd5
      • 2.Rxb8#
    • 1...Bc6
      • 2.Rxb8#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Se6#
      • 1...Qd6
        • 2.Sxb7#
      • 1...Bd5!
  • Keys
    • 1.Rd1!
      • threat
        • 2.Se6#
      • 1...Qd6
        • 2.Sxb7#
      • 1...Bd5
        • 2.Rxb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • Q(c);N_GUARD::S(D),XB(b)
    • B(b);OGATE::R(C),XQ(c)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(D)
      • Vars
        • Q(c);N_GUARD::S(D),XB(b)
      • Refutation
        • B(b);
  • Actual
    • R(A);
    • Threat
      • S(D)
    • Vars
      • Q(c);N_GUARD::S(D),XB(b)
      • B(b);OGATE::R(C),XQ(c)
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