MESON Chess Problem Database

Problem Display
PID: 154941 (8/2p2P1K/2P1p1P1/4k1NR/QP2n2B/5B2/4R3/8 w - - 0 1)

Daniel, Arthur William

Illustrated London News, 1902

8/2p2P1K/2P1p1P1/4k1NR/QP2n2B/5B2/4R3/8

#2

11 + 4

119 Tidskrift for Schack 1909

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sxe4#
    • 1...Kf6
      • 2.Sxe4#
  • Tries
    • 1.Sh3+?
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kd4!
    • 1.Sxe4+?
      • 1...Kf4
        • 2.f8Q#
        • 2.f8R#
      • 1...Kd4!
    • 1.Rxe4+?
      • 1...Kf5
        • 2.Sh3#
        • 2.Sxe6#
        • 2.f8Q#
        • 2.f8R#
      • 1...Kd6
        • 2.Rxe6#
      • 1...Kf6
        • 2.Sh3#
        • 2.Sxe6#
        • 2.f8Q#
      • 1...Kd5!
    • 1.Qb3?
      • 1...Kd4
        • 2.Sxe6#
        • 2.Rxe4#
      • 1...Kf4
        • 2.Sh3#
        • 2.Sxe6#
      • 1...Kd6
        • 2.Qxe6#
      • 1...Kf6
        • 2.Sxe4#
        • 2.Qxe6#
      • 1...Kf5!
    • 1.Qb5+?
      • 1...Kf4
        • 2.Rxe4#
      • 1...Kd6
        • 2.Sxe4#
        • 2.f8Q#
        • 2.f8B#
      • 1...Kf6
        • 2.Sxe4#
        • 2.f8Q#
      • 1...Kd4!
    • 1.f8Q?
      • 1...Kd5
        • 2.Qc5#
      • 1...Kd4!
  • Keys
    • 1.Qc2!
      • 1...Kd4
        • 2.Sxe6#
      • 1...Kf4
        • 2.Qxe4#
      • 1...Kd5
        • 2.Qc5#
      • 1...Kf5
        • 2.Sh3#
      • 1...Kd6
        • 2.Sxe4#
      • 1...Kf6
        • 2.Sxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),S_FLIGHT::S(F),XS(a)
    • K(b);N_SPINS(a),S_FLIGHT::B(E)+S(F),DCHECK,XS(a)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::P=Q
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • S(F);CHECK,XS(a)
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);CHECK,XS(a)
      • Vars
        • K(b);OGATE,S_FLIGHT::R1(A),XP(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::QAR1(C),XP(c)
      • Refutation
        • K(b);N_SPINS(a),P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::R1(A),XS(a)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • P(J);
      • Vars
        • K(b);P-FLIGHT::QAR1(J)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::S(F),XP(c)
      • K(b);N_SPINS(a),S_FLIGHT::QAR1(C),XS(a)
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);P-FLIGHT::R(G)+S(F)
      • K(b);N_SPINS(a),S_FLIGHT::S(F),XS(a)
      • K(b);N_SPINS(a),S_FLIGHT::B(E)+S(F),DCHECK,XS(a)
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