MESON Chess Problem Database

Problem Display
PID: 122376 (1B3N2/4pR2/2prB2K/r1Qbk3/3nP3/b4n2/3P1N1P/8 w - - 0 1)

Milewski, Stefan

Wola Gulowska, 2002

1B3N2/4pR2/2prB2K/r1Qbk3/3nP3/b4n2/3P1N1P/8

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Rf5#
    • 1...Se2
      • 2.Rf5#
    • 1...Sb3
      • 2.Rf5#
    • 1...Sb5
      • 2.Rf5#
    • 1...Sf5+
      • 2.Rxf5#
    • 1...Sxe6
      • 2.Sg6#
      • 2.Sd7#
      • 2.Rf5#
  • Tries
    • 1.Rf4?
      • threat
        • 2.Sd3#
      • 1...Sf5+
        • 2.Rxf5#
      • 1...Kxf4
        • 2.Sg6#
      • 1...Se1!
    • 1.Rf6?
      • threat
        • 2.Sd7#
      • 1...Sf5+
        • 2.Rxf5#
      • 1...Kxf6
        • 2.Sg4#
      • 1...exf6
        • 2.Bxd6#
      • 1...Ra7!
    • 1.exd5?
      • threat
        • 2.Sg6#
        • 2.Sd7#
      • 1...Sf5+
        • 2.Rxf5#
      • 1...Ra7
        • 2.Sg6#
      • 1...Sh4
        • 2.Sd7#
      • 1...cxd5!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Rf5#
      • 1...Bxe4
        • 2.Sg4#
      • 1...Bxe6
        • 2.Sg6#
      • 1...Sh4
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::R1(H)
    • S(c);CHECK,N_GUARD::R1(H),XS(c)
  • Tries
    • Try
      • R(H);
      • Threat
        • S(B)
      • Vars
        • S(c);CHECK,N_GUARD::R1(H),XS(c)
        • K(f);N_SPINB(e),S_FLIGHT,XR(H)::S(J)
      • Refutation
        • S(b);
    • Try
      • R(H);N_SPINB(F)
      • Threat
        • S(J)
      • Vars
        • S(c);CHECK,N_GUARD::R1(H),XS(c)
        • K(f);N_SPINB(e),N_SPINR(h),S_FLIGHT,XR(H)::S(B)
        • P(i);N_GUARD,SBLOCK,XR(H)::B(I),XR(h)
      • Refutation
        • R(d);
    • Try
      • P(D);XB(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);CHECK,N_GUARD::R1(H),XS(c)
        • R(d);::S(J)
        • S(b);::S(J)
      • Refutation
        • P(g);P_SPINP(g),XP(D)
  • Actual
    • Q(E);N_PINB(e),P_PINS(c)
    • Threat
      • R1(H)
    • Vars
      • B(e);SBLOCK,XP(D)::S(B)
      • B(e);SBLOCK,XB(F)::S(J)
      • S(b);OGATE::QAB(E)
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