MESON Chess Problem Database

Problem Display
PID: 181914 (8/2K1B3/4p2r/4kp2/1P3N2/5BQ1/3bP1PP/2n5 w - - 0 1)

von Sponer, Gyorgy Janos Andor

Pesti Naplo, 1905

8/2K1B3/4p2r/4kp2/1P3N2/5BQ1/3bP1PP/2n5

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7+?
      • 1...Kxf4
        • 2.Bg5#
        • 2.Qd4#
      • 1...Rf6!
    • 1.e3?
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Rg6
        • 2.Sd3#
        • 2.Sxg6#
      • 1...Sd3
        • 2.Sxd3#
        • 2.Sg6#
      • 1...Bxe3!
  • Keys
    • 1.Qf2!
      • 1...Kxf4
        • 2.Qd4#
      • 1...Rxh2
        • 2.Sg6#
      • 1...Bxb4
        • 2.Qe3#
      • 1...Bxf4
        • 2.Qc5#
      • 1...Sxe2
        • 2.Sd3#
      • 1...Be3
        • 2.Qxe3#
      • 1...Rh3
        • 2.Sg6#
      • 1...Rh4
        • 2.Sg6#
      • 1...Rh5
        • 2.Sg6#
      • 1...Rf6
        • 2.Bd6#
      • 1...Rg6
        • 2.Sxg6#
      • 1...Rh7
        • 2.Sg6#
      • 1...Rh8
        • 2.Sg6#
      • 1...Be1
        • 2.Qe3#
      • 1...Bc3
        • 2.Qe3#
      • 1...Sa2
        • 2.Sd3#
      • 1...Sb3
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • R(f);P_SPINR(f)
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Refutation
        • B(b);XP(A)
  • Actual
    • Q(E);
    • Vars
      • K(c);S_FLIGHT,XS(G)::QAR2(E)
      • R(f);N_GUARD,XP(C)::S(G)
      • B(b);N_GUARD,XP(F)::QAR2(E)
      • B(b);SBLOCK,XS(G)::QAR2(E)
      • S(a);N_GUARD,XP(A)::S(G)
      • B(b);N_GUARD::QAR2(E),XB(b)
      • R(f);N_GUARD::S(G)
      • R(f);SBLOCK::B(I)
      • R(f);N_GUARD::S(G),XR(f)
      • R(f);N_GUARD,P_PINB(I)::S(G)
      • B(b);N_GUARD::QAR2(E)
      • S(a);N_GUARD::S(G)
      • S(a);N_GUARD::S(G),XS(a)
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