MESON Chess Problem Database

Problem Display
PID: 150156 (b4B2/r1n5/3NPp2/1QbBkpr1/1P1N4/4P3/6p1/2R3K1 w - - 0 1)

Mosiashvili, Givi

The Problemist, 2013

b4B2/r1n5/3NPp2/1QbBkpr1/1P1N4/4P3/6p1/2R3K1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Rxc5#
      • 2.Qxc5#
    • 1...Bxb4
      • 2.Sf3#
      • 2.Sc4#
      • 2.Sf7#
    • 1...Bxd4
      • 2.Sc4#
      • 2.Sf7#
    • 1...Bb6
      • 2.Sf3#
      • 2.Sc4#
      • 2.Sf7#
    • 1...Bxd6
      • 2.Sf3#
  • Tries
    • 1.Qd7?
      • threat
        • 2.Sc4#
        • 2.Sf7#
      • 1...Kxd5
        • 2.Rxc5#
      • 1...Bxd6
        • 2.Qxd6#
      • 1...Sxd5
        • 2.Sf3#
      • 1...Rg7
        • 2.Sc4#
      • 1...Bxd5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sf3#
      • 1...Kxd5
        • 2.Rxc5#
      • 1...Bxd4
        • 2.Qxd4#
      • 1...Bxd5
        • 2.Sf7#
      • 1...Sxd5
        • 2.Sc4#
      • 1...Rg3
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(b);XS(H)::S(E)
  • Tries
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);OGATEB,P-FLIGHT,XB(G)::R1(A),XB(b)
        • B(b);OGATE,XS(H)::QAB1(F),XB(b)
        • S(h);SBLOCK,XB(G)::S(E)
        • R(e);::S(H)
      • Refutation
        • B(i);XB(G)
  • Actual
    • Q(F);
    • Threat
      • S(E)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XB(G)::R1(A),XB(b)
      • B(b);OGATE,P_PINP(C),XS(E)::QAB1(F),XB(b)
      • B(i);SBLOCK,XB(G)::S(H)
      • S(h);SBLOCK,XB(G)::S(H)
      • R(e);N_GUARD::QAR1(F),XP(d)
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