MESON Chess Problem Database

Problem Display
PID: 80090 (2B5/4p3/r2P3B/r2n3R/2n1k1p1/1R2P2Q/2P1b2N/1N4K1 w - - 0 1)

Mosiashvili, Givi

3/4 Prize, Probleemblad, 2008

2B5/4p3/r2P3B/r2n3R/2n1k1p1/1R2P2Q/2P1b2N/1N4K1

#2

11 + 8

102 Probleemblad 2009
23 Die Schwalbe 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Qg2#
      • 2.cxd3#
    • 1...Sb2
      • 2.Sd2#
    • 1...Sd2
      • 2.Sxd2#
    • 1...Sa3
      • 2.Sd2#
    • 1...Se5
      • 2.Sd2#
      • 2.Bf5#
    • 1...Scb6
      • 2.Sd2#
    • 1...Sxd6
      • 2.Sd2#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sb4
      • 2.Sc3#
    • 1...Sf4
      • 2.Sc3#
    • 1...Sdb6
      • 2.Sc3#
    • 1...Sf6
      • 2.Sc3#
    • 1...Sc7
      • 2.Sc3#
    • 1...g3
      • 2.Qf5#
    • 1...e5
      • 2.Bf5#
  • Tries
    • 1.Bb7?
      • threat
        • 2.Sc3#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Ra1
        • 2.Bxd5#
      • 1...Rc6!
    • 1.Rb4?
      • threat
        • 2.Sd2#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Sxb4
        • 2.Sc3#
      • 1...Ra1!
    • 1.Re5+?
      • 1...Sxe5
        • 2.Sd2#
      • 1...Kxe5!
    • 1.Qxg4+?
      • 1...Sf4
        • 2.Qxf4#
      • 1...Bxg4!
    • 1.Qg3?
      • threat
        • 2.Bf5#
      • 1...Scxe3
        • 2.Qe5#
      • 1...Sxd6
        • 2.Sd2#
        • 2.Re5#
        • 2.Qe5#
      • 1...Sdxe3
        • 2.Qf4#
      • 1...Sc3
        • 2.Sxc3#
        • 2.Qf4#
      • 1...Sb4
        • 2.Sc3#
        • 2.Qf4#
      • 1...Sf4
        • 2.Sc3#
        • 2.Qxf4#
      • 1...Sdb6
        • 2.Sc3#
        • 2.Qf4#
      • 1...Sf6
        • 2.Sc3#
        • 2.Qf4#
      • 1...Sc7
        • 2.Sc3#
        • 2.Qf4#
      • 1...e6!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Rd4#
      • 1...Bxd3
        • 2.Qg2#
      • 1...Scxe3
        • 2.Sd2#
      • 1...Sdxe3
        • 2.Sc3#
      • 1...e5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(b);N_GUARD,XP(I)::S(A)
    • S(f);N_GUARD::S(A),XS(f)
    • S(f);N_GUARD::S(A)
    • P(d);OGATE::QAB1(G)
    • P(h);SBLOCK::B(K)
  • Tries
    • Try
      • B(K);P_PINS(f)
      • Threat
        • S(A)
      • Vars
        • S(b);OGATE,XP(F)::QAR1(G),XS(b)
        • R(e);N_GUARD,P_PINS(A)::B(K),XS(f)
      • Refutation
        • R(g);N_SPINS(f)
    • Try
      • R(E);P_PINS(b)
      • Threat
        • S(A)
      • Vars
        • S(f);OGATE,XP(F)::QAR1(G),XS(f)
        • S(f);N_GUARD,N_SPINS(b),XR(E)::S(A)
      • Refutation
        • R(e);P_PINS(A)
    • Try
      • R(H);CHECK
      • Vars
        • S(b);SBLOCK,XR(H)::S(A)
      • Refutation
        • K(c);P-FLIGHT,XR(H)
    • Try
      • Q(G);CHECK,XP(d)
      • Vars
        • S(f);N_GUARD,P_SPINS(f)::QAR1(G),XS(f)
      • Refutation
        • B(a);XQ(G)
    • Try
      • Q(G);
      • Threat
        • B(K)
      • Vars
        • S(b);N_GUARD,XP(F)::QAR1(G)
        • S(f);N_GUARD,XP(F)::QAR1(G)
      • Refutation
        • P(h);
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • B(a);N_GUARD,XR(E)::QAB(G)
      • S(b);N_GUARD,XP(F)::S(A)
      • S(f);N_GUARD,XP(F)::S(A)
      • P(h);SBLOCK::B(K)
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