MESON Chess Problem Database

Problem Display
PID: 245879 (1Q6/B4K1p/n2N3p/1R2Np2/Rb3k1p/2pP3P/7P/2qB2n1 w - - 0 1)

Dyachuk, Vasyl Vasilovich

Europa-Rochade, 2010

1Q6/B4K1p/n2N3p/1R2Np2/Rb3k1p/2pP3P/7P/2qB2n1

#2

11 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • threat
        • 2.Rxf5#
      • 1...Sc5
        • 2.Sc4#
      • 1...Sxh3!
    • 1.Sc6?
      • threat
        • 2.Rxf5#
      • 1...Kg5
        • 2.Se4#
        • 2.Rxf5#
      • 1...Sc5!
    • 1.Sg6+?
      • 1...Kg5
        • 2.Se4#
        • 2.Rxf5#
        • 2.Qd8#
      • 1...hxg6!
    • 1.Sd7?
      • threat
        • 2.Rxf5#
      • 1...Kg5
        • 2.Se4#
        • 2.Rxf5#
      • 1...Sc5!
    • 1.Raxb4+?
      • 1...Kg5
        • 2.Qd8#
        • 2.Qg8#
      • 1...Sxb4!
    • 1.Qc8?
      • threat
        • 2.Qxf5#
      • 1...Kg5
        • 2.Qxf5#
      • 1...Sc5!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Rxf5#
      • 1...Kg5
        • 2.Rxf5#
      • 1...fxg4
        • 2.Rf5#
      • 1...Sc5
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(F),XP(g)
      • Vars
        • S(h);N_GUARD::QAB(K)+S(H)
      • Refutation
        • S(b);XP(D)
    • Try
      • S(G);
      • Threat
        • R1(F),XP(g)
      • Refutation
        • S(h);
    • Try
      • S(G);CHECK
      • Refutation
        • P(j);XS(G)
    • Try
      • S(G);
      • Threat
        • R1(F),XP(g)
      • Refutation
        • S(h);
    • Try
      • R(E);CHECK,XB(d)
      • Refutation
        • S(h);XR(E)
    • Try
      • Q(K);
      • Threat
        • QAR1(K),XP(g)
      • Vars
        • K(e);N_SPINB(d),S_FLIGHT::QAR1(K),XP(g)
      • Refutation
        • S(h);
  • Actual
    • S(G);
    • Threat
      • R1(F),XP(g)
    • Vars
      • K(e);N_SPINB(d),P_SPINP(g),S_FLIGHT::R1(F),XP(g)
      • P(g);XS(G)::R1(F)
      • S(h);N_GUARD::QAB(K)+S(H)
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