MESON Chess Problem Database

Problem Display
PID: 107633 (q4KB1/3pPP2/2P5/3k1P2/1pR1R3/1P3P2/7B/4r3 w - - 0 1)

Bakcsi, Gyorgy

Gyorsverseny, 1972

q4KB1/3pPP2/2P5/3k1P2/1pR1R3/1P3P2/7B/4r3

#2

11 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.e8Q?
      • threat
        • 2.Red4#
      • 1...Qxe8+
        • 2.fxe8Q#
        • 2.fxe8S#
        • 2.fxe8B#
        • 2.fxe8R#
      • 1...Rxe4
        • 2.fxe4#
      • 1...Qa1
        • 2.Qxd7#
      • 1...Qa7
        • 2.Qe5#
      • 1...Rd1!
  • Keys
    • 1.e8S!
      • threat
        • 2.Red4#
      • 1...Qxe8+
        • 2.fxe8Q#
        • 2.fxe8S#
        • 2.fxe8B#
        • 2.fxe8R#
      • 1...Rxe4
        • 2.fxe4#
      • 1...Qa1
        • 2.Sc7#
      • 1...Qa7
        • 2.Sf6#
      • 1...Rd1
        • 2.Re5#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • P(H);P_SPINQ(H)
      • Threat
        • R1(E)
      • Vars
        • R(a);OGATE,XR(E)::P(C),XR(a)
        • Q(e);N_PINQ(H)::QAR2(H),XP(d)
        • Q(e);N_PINQ(H)::QAR1(H)
      • Refutation
        • R(a);
  • Actual
    • P(H);P_SPINS(H)
    • Threat
      • R1(E)
    • Vars
      • R(a);OGATE,XR(E)::P(C),XR(a)
      • Q(e);N_PINS(H)::S(H)
      • R(a);N_GUARD::R1(E)
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