MESON Chess Problem Database

Problem Display
PID: 251736 (K1B2B2/8/3P4/4k3/N4n1P/2N3R1/Q4P2/8 w - - 0 1)

Kuzovkov, Aleksandr S

Probleemblad, 1982

K1B2B2/8/3P4/4k3/N4n1P/2N3R1/Q4P2/8

#2

10 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bg7#
    • 1...Kf6
      • 2.Bg7#
  • Tries
    • 1.Re3+?
      • 1...Kd4
        • 2.Sb5#
        • 2.Bg7#
      • 1...Kf6!
    • 1.Rg4?
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf6
        • 2.Bg7#
      • 1...Se2
        • 2.Qe6#
      • 1...Sg2
        • 2.Qe6#
      • 1...Sd3
        • 2.Qe6#
      • 1...Sh3
        • 2.Qe6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sg6
        • 2.Qe6#
      • 1...Sd5!
    • 1.Rg5+?
      • 1...Kf6
        • 2.Se4#
        • 2.Be7#
        • 2.Bg7#
      • 1...Kd4!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Se4#
        • 2.Be7#
        • 2.Bg7#
        • 2.Qf5#
      • 1...Sxd5!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Sb5#
        • 2.Bg7#
        • 2.Qe4#
      • 1...Sxe6!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Bg7#
        • 2.Qe4#
      • 1...Kf6
        • 2.Qe7#
      • 1...Sxe2!
  • Keys
    • 1.Rf3!
      • 1...Kd4
        • 2.Bg7#
      • 1...Kf6
        • 2.Qe6#
      • 1...Se2
        • 2.Qd5#
      • 1...Sg2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sh3
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sh5
        • 2.Qd5#
      • 1...Se6
        • 2.Qd5#
      • 1...Sg6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,S_FLIGHT::B(J)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(b);N_GUARD,P_SPINS(a),S_FLIGHT::QAR1(A)
        • K(b);N_GUARD,S_FLIGHT::B(J)
        • S(a);N_GUARD::QAR1(A)
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • S(a);
    • Try
      • R(D);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::QAB1(A)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • R(D);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(J)
      • K(b);N_GUARD,P_SPINS(a),S_FLIGHT::QAR1(A)
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
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