MESON Chess Problem Database

Problem Display
PID: 163154 (2B2B2/5p2/5NnR/3pk2P/R1nN4/6P1/4PP2/K3Q3 w - - 0 1)

Mammadov, Mahir

Best Problems, 2013

2B2B2/5p2/5NnR/3pk2P/R1nN4/6P1/4PP2/K3Q3

#2

12 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sf3#
      • 2.Sc6#
    • 1...Sh4
      • 2.Sc6#
    • 1...Sh8
      • 2.Sf3#
      • 2.Sc6#
  • Tries
    • 1.f4+?
      • 1...Kxd4
        • 2.Qd2#
      • 1...Sxf4
        • 2.Sf3#
        • 2.Sc6#
      • 1...Kxf6!
  • Keys
    • 1.Qb4!
      • 1...Kxd4
        • 2.Qb2#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Sxf8
        • 2.Sf3#
        • 2.Sc6#
      • 1...Se3
        • 2.Qd6#
      • 1...Sb2
        • 2.Qd6#
      • 1...Sd2
        • 2.Qd6#
      • 1...Sa3
        • 2.Qd6#
      • 1...Sa5
        • 2.Qd6#
      • 1...Sb6
        • 2.Qd6#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sf4
        • 2.Sf3#
        • 2.Sc6#
      • 1...Sh4
        • 2.Sc6#
      • 1...Se7
        • 2.Sf3#
      • 1...Sh8
        • 2.Sf3#
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(d);::S(G)
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • K(c);P_SPINS(a),S_FLIGHT,XS(G)::QAR2(B)
      • Refutation
        • K(c);P_SPINS(d),S_FLIGHT,XS(I)
  • Actual
    • Q(B);
    • Vars
      • K(c);OGATEB,P_SPINS(a),S_FLIGHT,XS(G)::QAB(B)
      • K(c);P_SPINS(d),S_FLIGHT,XS(I)::QAB1(B)
      • S(a);N_GUARD::QAB1(B)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • S(d);::S(G)
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