MESON Chess Problem Database

Problem Display
PID: 147678 (q7/KP1p4/2r5/1NNk2b1/1P6/5r1n/6QB/3nRB1b w - - 0 1)

Ferron de la Fuente, Ernesto

The Problemist, 2012

q7/KP1p4/2r5/1NNk2b1/1P6/5r1n/6QB/3nRB1b

#2

9 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.bxa8B?
      • threat
        • 2.Re5#
      • 1...Be3
        • 2.Qa2#
      • 1...Bf4
        • 2.Qg8#
      • 1...Bf6
        • 2.Qg8#
      • 1...Se3
        • 2.Qd2#
      • 1...Sf4
        • 2.Qxg5#
      • 1...d6!
  • Keys
    • 1.bxa8Q!
      • threat
        • 2.Re5#
      • 1...Be3
        • 2.Qa2#
      • 1...Bf4
        • 2.Qgg8#
      • 1...Bf6
        • 2.Qgg8#
      • 1...Se3
        • 2.Qd2#
      • 1...Sf4
        • 2.Qxg5#
      • 1...d6
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • P(I);XQ(i)
      • Threat
        • R1(A)
      • Vars
        • B(f);P_PINS(G)::QAB(C)
        • B(f);OGATE::QAB(C)
        • S(a);S_CUTB(f)::QAR(C)
        • S(d);N_GUARD::QAR(C),XB(f)
      • Refutation
        • P(h);
  • Actual
    • P(I);XQ(i)
    • Threat
      • R1(A)
    • Vars
      • B(f);P_PINS(G)::QAB(C)
      • B(f);OGATE::QAB(C)
      • S(a);S_CUTB(f)::QAR(C)
      • S(d);N_GUARD::QAR(C),XB(f)
      • P(h);S_CUTR(g)::QAB(I)
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