MESON Chess Problem Database

Problem Display
PID: 203801 (6Bk/pR6/r2p1N2/Q4p2/8/8/R1b4r/K6n w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

The Problemist, 1954

6Bk/pR6/r2p1N2/Q4p2/8/8/R1b4r/K6n

#2

6 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Rh7#
    • 1...Re2
      • 2.Rh7#
    • 1...Rf2
      • 2.Rh7#
    • 1...Rg2
      • 2.Rh7#
    • 1...Rh7
      • 2.Rxh7#
    • 1...Bb1
      • 2.Rxh2#
    • 1...Bb3
      • 2.Rxh2#
    • 1...Bd3
      • 2.Rxh2#
    • 1...Ba4
      • 2.Rxh2#
    • 1...Be4
      • 2.Rxh2#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Qg7#
      • 1...Rg2
        • 2.Qh7#
      • 1...Rh7
        • 2.Qxh7#
      • 1...Rxa2+!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Bb3#
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bh7#
      • 1...Rxa2+
        • 2.Bxa2#
      • 1...Re2
        • 2.Be6#
        • 2.Rh7#
      • 1...Rg2
        • 2.Rh7#
      • 1...Rh7
        • 2.Bb3#
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
        • 2.Bxh7#
        • 2.Rxh7#
      • 1...Bb3
        • 2.Bxb3#
        • 2.Bc4#
        • 2.Bd5#
        • 2.Be6#
      • 1...Ba4
        • 2.Rxh2#
      • 1...d5
        • 2.Bxd5#
        • 2.Be6#
        • 2.Bh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(c);N_GUARD::R1(E)
    • R(c);N_GUARD::R1(E),XR(c)
    • B(b);OGATE::R(B),XR(c)
  • Tries
    • Try
      • Q(C);P_SPINR(B)
      • Threat
        • QAB1(C)
      • Vars
        • R(c);N_GUARD::QAR1(C)
        • R(c);N_GUARD::QAR1(C),XR(c)
      • Refutation
        • R(e);CHECK,XR(B)
  • Actual
    • Q(C);P_SPINR(B)
    • Threat
      • DUALS(5)
    • Vars
      • R(e);CHECK,OGATE,XR(B)::QAR(C)+B(F),XR(e)
      • R(c);N_GUARD::R1(E)
      • B(b);N_PINR(B)::R(B),XR(c)
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