MESON Chess Problem Database

Problem Display
PID: 191304 (1b1r4/3p2R1/4Nk1p/3B1N1P/2P1p1P1/8/KR4bq/B7 w - - 0 1)

Mosiashvili, Givi

Probleemblad, 2018

1b1r4/3p2R1/4Nk1p/3B1N1P/2P1p1P1/8/KR4bq/B7

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rb1#
      • 2.Rc2#
      • 2.Rd2#
      • 2.Re2#
      • 2.Rf2#
      • 2.Rxg2#
      • 2.Rb3#
      • 2.Rb4#
      • 2.Rb5#
      • 2.Rb6#
      • 2.Rb7#
      • 2.Rxb8#
    • 1...Qh4
      • 2.Rxb8#
    • 1...Qxh5
      • 2.Rxb8#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Rb6#
      • 1...Ke5
        • 2.Rf2#
      • 1...Qe5
        • 2.Rg6#
      • 1...Bf1
        • 2.Rxh2#
      • 1...Bh1
        • 2.Rxh2#
      • 1...Bf3
        • 2.Rxh2#
      • 1...Bh3
        • 2.Rxh2#
      • 1...d6!
    • 1.Rg6+?
      • 1...Ke5
        • 2.Rb1#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rxg2#
        • 2.Rb3#
        • 2.Rb4#
        • 2.Rb5#
        • 2.Rb6#
        • 2.Rb7#
        • 2.Rxb8#
      • 1...Kf7!
    • 1.Rf7+?
      • 1...Ke5
        • 2.Rb1#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
        • 2.Rxg2#
        • 2.Rb3#
        • 2.Rb4#
        • 2.Rb5#
        • 2.Rb6#
        • 2.Rb7#
        • 2.Rxb8#
      • 1...Kxf7!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Rf2#
      • 1...Ke5
        • 2.Rb6#
      • 1...Qe5
        • 2.Rf7#
      • 1...Bf3
        • 2.Rxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::B(A)+R(C),XB(g)
    • Q(b);N_GUARD,XP(H)::B(A)+R(C),XB(g)
  • Tries
    • Try
      • S(I);
      • Threat
        • B(A)+R(C),DCHECK
      • Vars
        • K(d);S_FLIGHT::B(A)+R(C)
        • Q(b);SBLOCK::R1(J)
        • B(a);OGATE,P_PINR(C)::B(A)+R(C),XQ(b)
      • Refutation
        • P(f);
    • Try
      • R(J);CHECK
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(J);CHECK
      • Refutation
        • K(d);P-FLIGHT,XR(J)
  • Actual
    • S(G);
    • Threat
      • B(A)+R(C),DCHECK
    • Vars
      • K(d);S_FLIGHT::B(A)+R(C)
      • Q(b);SBLOCK::R1(J)
      • B(a);OGATE,P_PINR(C)::B(A)+R(C),XQ(b)
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