MESON Chess Problem Database

Problem Display
PID: 23342 (3Kn3/5Bpr/3N1k2/2p3b1/4pB2/6N1/2qP1Q2/1b6 w - - 0 1)

Heathcote, Godfrey

Running the Gauntlet, 1911

3Kn3/5Bpr/3N1k2/2p3b1/4pB2/6N1/2qP1Q2/1b6

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Sxh5#
    • 1...Bxf4
      • 2.Qxf4#
    • 1...Bh6
      • 2.Sh5#
    • 1...c4
      • 2.Qd4#
  • Tries
    • 1.Be3+?
      • 1...Bf4
        • 2.Qxf4#
      • 1...Ke5+!
  • Keys
    • 1.d4!
      • threat
        • 2.Be5#
      • 1...Bxf4
        • 2.Qxf4#
      • 1...cxd4
        • 2.Qxd4#
      • 1...exd4 ep
        • 2.Sge4#
      • 1...Bh4
        • 2.Bd2#
      • 1...Bh6
        • 2.Sh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(h);N_GUARD::S(C),XR(h)
    • B(e);OGATE,P_SPINB(e),XB(D)::QAR2(B),XB(e)
    • B(e);S_CUTR(h)::S(C)
    • P(d);N_GUARD::QAB(B)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR2(B),XB(e)
      • Refutation
        • K(f);CHECK,S_FLIGHT
  • Actual
    • P(A);
    • Threat
      • QAR(B)+B(D),DCHECK
    • Vars
      • B(e);OGATE,P_SPINB(e),XB(D)::QAR2(B),XB(e)
      • P(d);OGATE,XP(A)::QAB(B),XP(d)
      • P(c);EP,S_CUTQ(b),XP(A)::S(C)
      • B(e);N_GUARD::QAR(B)+B(D)
      • B(e);S_CUTR(h)::S(C)
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Developed and maintained by Brian Stephenson.
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