MESON Chess Problem Database

Problem Display
PID: 240065 (1Q6/p2pr3/P3pp2/1K1P4/3kN3/1pN4R/3n1P2/B2rb3 w - - 0 1)

Mosiashvili, Givi

Pat a Mat, 2010

1Q6/p2pr3/P3pp2/1K1P4/3kN3/1pN4R/3n1P2/B2rb3

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qxa7#
  • Tries
    • 1.Se2+?
      • 1...Kxd5
        • 2.S4c3#
        • 2.Sxf6#
        • 2.Qb7#
        • 2.Qa8#
      • 1...Kxe4!
    • 1.Sc5?
      • threat
        • 2.Rd3#
      • 1...Sb1
        • 2.Sxb3#
        • 2.Rh4#
        • 2.Qf4#
      • 1...Sf1
        • 2.Sxb3#
        • 2.Rh4#
        • 2.Qf4#
      • 1...Sf3
        • 2.Qf4#
      • 1...Sc4
        • 2.Sxb3#
        • 2.Rh4#
        • 2.Qf4#
      • 1...Se4
        • 2.Sxb3#
      • 1...d6!
    • 1.Qd6?
      • threat
        • 2.dxe6#
      • 1...Sxe4
        • 2.Se2#
      • 1...exd5
        • 2.Qxd5#
      • 1...e5
        • 2.Qc5#
      • 1...Sc4!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Sxd2#
      • 1...Sxe4
        • 2.Qxe4#
      • 1...exd5
        • 2.Se2#
      • 1...Sf3
        • 2.Sc5#
      • 1...Sb1
        • 2.Sd2#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sxf6#
      • 1...Sf1
        • 2.Sd2#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sxf6#
      • 1...Sc4
        • 2.Sd2#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Sd6#
        • 2.Sxf6#
      • 1...e5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);SBLOCK::QAB(I),XP(h)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(e);P-FLIGHT,XS(E)
    • Try
      • S(E);
      • Threat
        • R1(D)
      • Vars
        • S(c);N_GUARD::QAR2(I)
        • S(c);N_GUARD::S(E),XP(d)
      • Refutation
        • P(i);
    • Try
      • Q(I);
      • Threat
        • QAR(I)+P(G),XP(f)
      • Vars
        • S(c);SBLOCK,XS(E)::B(A)+S(C),DCHECK
        • P(f);OGATE,P_SPINP(f),XP(G)::QAR1(I),XP(f)
        • P(f);SBLOCK::QAB1(I)
      • Refutation
        • S(c);
  • Actual
    • Q(I);
    • Threat
      • QAR(I)+S(E),XS(c)
    • Vars
      • S(c);OGATE,P_SPINS(c),XS(E)::QAR1(I),XS(c)
      • P(f);SBLOCK,XP(G)::B(A)+S(C),DCHECK
      • S(c);N_GUARD::QAR(I)+S(E)
      • P(f);SBLOCK::QAB1(I)
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