MESON Chess Problem Database

Problem Display
PID: 162760 (K7/n1p5/p1N1R3/Pkb2n1Q/p1NRPr2/pb6/3B4/8 w - - 0 1)

Mosiashvili, Givi

Die Schwalbe, 2016

K7/n1p5/p1N1R3/Pkb2n1Q/p1NRPr2/pb6/3B4/8

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Se3
      • 2.Sxa3#
      • 2.Sxa7#
    • 1...Sg3
      • 2.Sxa3#
      • 2.Sxa7#
    • 1...Sxd4
      • 2.Sxa3#
    • 1...Sh4
      • 2.Sxa3#
      • 2.Sxa7#
    • 1...Sd6
      • 2.Sxa7#
    • 1...Sh6
      • 2.Sxa3#
      • 2.Sxa7#
    • 1...Se7
      • 2.Sxa3#
      • 2.Sxa7#
    • 1...Sg7
      • 2.Sxa3#
      • 2.Sxa7#
  • Tries
    • 1.Re5?
      • threat
        • 2.Sxa7#
      • 1...Kxc6
        • 2.Qe8#
      • 1...Sxd4
        • 2.Rxc5#
      • 1...Sxc6
        • 2.Sxa3#
      • 1...Sc8!
    • 1.Qxf5?
      • threat
        • 2.Sxa3#
        • 2.Sxa7#
      • 1...Bxc4
        • 2.Sxa7#
      • 1...Sxc6
        • 2.Sxa3#
      • 1...Sc8
        • 2.Sxa3#
      • 1...a2
        • 2.Sa3#
        • 2.Sxa7#
      • 1...Rxf5!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Sxa3#
      • 1...Kxc4
        • 2.Qe2#
      • 1...Bxc4
        • 2.Sxa7#
      • 1...Sd6
        • 2.Rxc5#
      • 1...a2
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(g);P_SPINB(f),XR(C)::S(B),XP(a)
    • S(g);P_SPINB(f)::S(G),XS(i)
  • Tries
    • Try
      • R(H);P_PINB(f)
      • Threat
        • S(G),XS(i)
      • Vars
        • K(e);N_SPINB(f),OGATEB,S_FLIGHT,XS(G)::QAB(F)
        • S(g);XR(C)::R1(H),XB(f)
        • S(i);SBLOCK,XS(G)::S(B),XP(a)
      • Refutation
        • S(i);
    • Try
      • Q(F);P_PINB(f),XS(g)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XS(B)::S(G),XS(i)
        • S(i);XS(G)::S(B),XP(a)
        • S(i);::S(B),XP(a)
      • Refutation
        • R(d);N_SPINB(f),XQ(F)
  • Actual
    • R(C);P_PINB(f)
    • Threat
      • S(B),XP(a)
    • Vars
      • K(e);N_SPINB(f),OGATEB,S_FLIGHT,XS(B)::QAB(F)
      • B(b);SBLOCK,XS(B)::S(G),XS(i)
      • S(g);::R1(C),XB(f)
      • P(a);::S(B)
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Developed and maintained by Brian Stephenson.
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