MESON Chess Problem Database

Problem Display
PID: 132605 (Rb3k1N/q3rP1P/1p1Q4/r2N3p/B7/8/bBp1p2K/8 w - - 0 1)

Tutsakov, Joza

5th Place, Liga Problemista, 2001/1

Rb3k1N/q3rP1P/1p1Q4/r2N3p/B7/8/bBp1p2K/8

#2

9 + 10

14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sfg6#
        • 2.Qh6#
      • 1...Bxf7
        • 2.Qh6#
      • 1...Re5
        • 2.Qh6#
      • 1...Be6
        • 2.Sxe6#
        • 2.Sfg6#
      • 1...Rg5!
    • 1.Sxe7?
      • threat
        • 2.Seg6#
      • 1...Qxe7
        • 2.Rxb8#
      • 1...Re5!
    • 1.Qf4?
      • threat
        • 2.Sg6#
      • 1...Re5
        • 2.Qh6#
      • 1...Re6!
    • 1.Qxb8+?
      • 1...Re8
        • 2.Qxe8#
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...Qxb8+!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Bg7#
      • 1...Rxf7
        • 2.Sg6#
      • 1...Re5
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);N_SPINQ(E)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XP(F)::QAB(E)
        • R(d);::QAB(E)
      • Refutation
        • R(d);
    • Try
      • S(D);XR(h)
      • Threat
        • QAB(E)+S(D),DCHECK
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g),XS(D)::R(H),XB(i)
      • Refutation
        • R(d);N_PINQ(E)
    • Try
      • Q(E);N_PINR(h)
      • Threat
        • S(I)
      • Vars
        • R(h);N_PINQ(E)::QAB(E)
      • Refutation
        • R(h);
    • Try
      • Q(E);CHECK,N_PINR(h),N_SPINQ(E),XB(i)
      • Refutation
        • Q(g);CHECK,P_SPINQ(g),XQ(E)
  • Actual
    • Q(E);N_PINR(h)
    • Threat
      • B(A)
    • Vars
      • R(h);SBLOCK,XP(F)::S(I)
      • R(h);N_PINQ(E)::QAR1(E)
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