MESON Chess Problem Database

Problem Display
PID: 251204 (2N2K2/rp1Q3b/3B4/1pNk1n2/2n2P2/3PP1R1/6q1/2rB4 w - - 0 1)

Mosiashvili, Givi

Comm., Uralski Problemist-20 JT, 2013

2N2K2/rp1Q3b/3B4/1pNk1n2/2n2P2/3PP1R1/6q1/2rB4

#2

10 + 9

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Bxf3#
    • 1...Qh3
      • 2.Bf3#
    • 1...Qe4
      • 2.dxe4#
    • 1...Qg1
      • 2.Bf3#
    • 1...Qa2
      • 2.Bf3#
    • 1...Qb2
      • 2.Bf3#
    • 1...Qc2
      • 2.Bf3#
    • 1...Qd2
      • 2.Bf3#
    • 1...Qh2
      • 2.Bf3#
    • 1...Ra1
      • 2.Qxb7#
    • 1...Ra2
      • 2.Qxb7#
    • 1...Ra3
      • 2.Qxb7#
    • 1...Ra4
      • 2.Qxb7#
    • 1...Ra5
      • 2.Qxb7#
    • 1...Ra8
      • 2.Qxb7#
    • 1...Sb2
      • 2.Sb6#
    • 1...Sd2
      • 2.Sb6#
    • 1...Sa3
      • 2.Sb6#
    • 1...Sa5
      • 2.Sb6#
    • 1...Se5
      • 2.Sb6#
    • 1...Sb6
      • 2.Sxb6#
    • 1...Sxg3
      • 2.Se7#
    • 1...Sd4
      • 2.Se7#
    • 1...Sh4
      • 2.Se7#
    • 1...Sh6
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
    • 1...Sg7
      • 2.Se7#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sc7#
      • 1...Scxe3
        • 2.Sb6#
      • 1...Scxd6
        • 2.Sb6#
      • 1...Sfxe3
        • 2.Se7#
      • 1...Sfxd6
        • 2.Se7#
      • 1...Sb2
        • 2.Sb6#
      • 1...Sd2
        • 2.Sb6#
      • 1...Sa3
        • 2.Sb6#
      • 1...Sa5
        • 2.Sb6#
      • 1...Se5
        • 2.Sb6#
      • 1...Sb6
        • 2.Sxb6#
      • 1...b6!
    • 1.Bb3?
      • threat
        • 2.Sb6#
      • 1...Sxe3
        • 2.Be7#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Ra8
        • 2.Qxb7#
      • 1...b6
        • 2.Sxb6#
      • 1...Ra6!
    • 1.dxc4+?
      • 1...Rxc4
        • 2.Sb6#
      • 1...bxc4
        • 2.Sb6#
      • 1...Kxc4!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Se7#
      • 1...Qxg5
        • 2.Bf3#
      • 1...Sxe3
        • 2.Be7#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Qe4
        • 2.dxe4#
      • 1...Ra8
        • 2.Qxb7#
      • 1...Se5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 24
  • Sets
    • Q(b);N_GUARD::B(A),XQ(b)
    • Q(b);N_GUARD::B(A)
    • Q(b);OGATE::P(B),XQ(b)
    • R(g);N_GUARD::QAB(H),XP(h)
    • R(g);N_GUARD,P_PINS(I)::QAB(H),XP(h)
    • S(c);N_GUARD::S(I)
    • S(c);N_GUARD::S(I),XS(c)
    • S(f);N_GUARD,XR(D)::S(I)
    • S(f);N_GUARD::S(I)
    • S(f);N_GUARD::S(I),XS(f)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • S(c);N_GUARD,XP(C)::S(I)
        • S(c);N_GUARD,P_SPINS(c),XB(G)::S(I)
        • S(f);N_GUARD,XP(C)::S(I)
        • S(f);N_GUARD,P_SPINS(f),XB(G)::S(I)
        • S(c);N_GUARD::S(I)
        • S(c);N_GUARD::S(I),XS(c)
      • Refutation
        • P(h);
    • Try
      • B(A);P_PINS(c)
      • Threat
        • S(I)
      • Vars
        • S(f);N_GUARD,XP(C)::QAR(H)+B(G)
        • S(f);OGATE,XB(G)::QAR1(H),XS(f)
        • R(g);N_GUARD,P_PINS(I)::QAB(H),XP(h)
        • P(h);::S(I),XP(h)
      • Refutation
        • R(g);
    • Try
      • P(B);CHECK,XS(c)
      • Vars
        • R(a);XP(B)::S(I)
        • P(d);XP(B)::S(I)
      • Refutation
        • K(e);S_FLIGHT,XP(B)
  • Actual
    • R(D);P_PINS(f)
    • Threat
      • S(I)
    • Vars
      • Q(b);N_GUARD,N_SPINS(f),XR(D)::B(A)
      • S(c);N_GUARD,XP(C)::QAR(H)+B(G)
      • S(c);OGATE,XB(G)::QAR1(H),XS(c)
      • Q(b);OGATE::P(B),XQ(b)
      • R(g);N_GUARD,P_PINS(I)::QAB(H),XP(h)
      • S(c);N_GUARD,N_SPINS(f)::S(I)
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