MESON Chess Problem Database

Problem Display
PID: 240066 (8/6nQ/R4PK1/pp1kpp2/1p2NP2/1P1p4/3P4/BBR1N3 w - - 0 1)

Mosiashvili, Givi

Pat a Mat, 2011

8/6nQ/R4PK1/pp1kpp2/1p2NP2/1P1p4/3P4/BBR1N3

#2

12 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sh5
      • 2.Qb7#
    • 1...Se6
      • 2.Qb7#
    • 1...Se8
      • 2.Qb7#
  • Tries
    • 1.Bxe5?
      • 1...Kxe4
        • 2.Qh1#
      • 1...fxe4
        • 2.Rd6#
      • 1...Sh5
        • 2.Qb7#
      • 1...Se6
        • 2.Qb7#
      • 1...Se8
        • 2.Qb7#
      • 1...a4!
    • 1.Bxd3?
      • threat
        • 2.Rc5#
        • 2.Rd6#
      • 1...Se6
        • 2.Rd6#
        • 2.Qb7#
        • 2.Qd7#
      • 1...Se8
        • 2.Rc5#
        • 2.Qg8#
        • 2.Qb7#
        • 2.Qf7#
      • 1...fxe4!
    • 1.Qg8+?
      • 1...Se6
        • 2.Qa8#
      • 1...Kxe4!
    • 1.Qh1?
      • threat
        • 2.Rc5#
        • 2.Rd6#
      • 1...Se6
        • 2.Rd6#
      • 1...Se8
        • 2.Rc5#
      • 1...fxe4!
    • 1.Qh3?
      • threat
        • 2.Qxd3#
      • 1...Kxe4
        • 2.Qf3#
      • 1...fxe4
        • 2.Qd7#
      • 1...Se6!
    • 1.fxg7?
      • threat
        • 2.Sf6#
      • 1...fxe4
        • 2.Qg8#
        • 2.g8Q#
        • 2.g8B#
      • 1...Kxe4!
  • Keys
    • 1.Sxd3!
      • 1...Kxe4
        • 2.Qh1#
      • 1...exf4
        • 2.Sxf4#
      • 1...fxe4
        • 2.Rc5#
      • 1...Sh5
        • 2.Qb7#
      • 1...Se6
        • 2.Qb7#
      • 1...Se8
        • 2.Qb7#
      • 1...a4
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(h);OGATE::QAB(L)
  • Tries
    • Try
      • B(A);XP(f)
      • Vars
        • K(e);OGATEB,P_SPINP(a),S_FLIGHT,XS(G)::QAB(L)
        • P(g);SBLOCK,XS(G)::R1(I)
        • S(h);OGATE::QAB(L)
      • Refutation
        • P(c);
    • Try
      • B(B);XP(a)
      • Threat
        • DUALS(2)
      • Refutation
        • P(g);XS(G)
    • Try
      • Q(L);CHECK
      • Vars
        • S(h);P_SPINS(h)::QAB(L)
      • Refutation
        • K(e);P_SPINP(a),S_FLIGHT,XS(G)
    • Try
      • Q(L);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);::R1(I)
        • S(h);::R1(C)
      • Refutation
        • P(g);P_SPINP(g),XS(G)
    • Try
      • Q(L);
      • Threat
        • QAR2(L),XP(a)
      • Vars
        • K(e);OGATEB,P_SPINP(a),S_FLIGHT,XS(G)::QAB1(L)
        • P(g);OGATE,SBLOCK,XS(G)::QAR2(L)
      • Refutation
        • S(h);
    • Try
      • P(J);XS(h)
      • Threat
        • S(G)
      • Refutation
        • K(e);P_SPINP(a),S_FLIGHT,XS(G)
  • Actual
    • S(D);XP(a)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(G)::QAB(L)
      • P(f);XP(H)::S(D),XP(f)
      • P(g);SBLOCK,XS(G)::R1(C)
      • S(h);OGATE::QAB(L)
      • P(c);N_GUARD::S(D),XP(b)
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