MESON Chess Problem Database

Problem Display
PID: 140155 (4R3/4P3/2P4p/1P2kP1K/7N/2RB4/8/6BQ w - - 0 1)

Hoek, Willem

Probleemblad, 1975

4R3/4P3/2P4p/1P2kP1K/7N/2RB4/8/6BQ

#2

11 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qh2#
    • 1...Kd6
      • 2.Bh2#
  • Tries
    • 1.Sg6+?
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Bf2?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qe4#
        • 2.Qh2#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kf6!
    • 1.Be3?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kf6!
    • 1.Bc5?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kf6!
    • 1.Ba7?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Bb8#
      • 1...Kf6!
    • 1.Bb1?
      • 1...Kf4
        • 2.Sg6#
        • 2.Bh2#
        • 2.Qe4#
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Bf1?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Bc2?
      • 1...Kf4
        • 2.Sg6#
        • 2.Bh2#
        • 2.Qe4#
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Be2?
      • 1...Kf4
        • 2.Bh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Be4?
      • 1...Kf4
        • 2.Sg6#
        • 2.Bh2#
      • 1...Kd6
        • 2.Bh2#
        • 2.Qh2#
      • 1...Kf6!
    • 1.Rc1?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Rc2?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Rc4?
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Rc5+?
      • 1...Kf4
        • 2.Qf3#
        • 2.Qh2#
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6!
    • 1.Rd8?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kf6!
    • 1.Rf8?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6!
    • 1.Qg2?
      • 1...Kf4
        • 2.Sg6#
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Qf3?
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Qe4+?
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qd6#
      • 1...Kf6
        • 2.Bd4#
      • 1...Kxd5!
    • 1.Qh2+?
      • 1...Kd5
        • 2.Rc5#
        • 2.Rd8#
      • 1...Kf6!
    • 1.b6?
      • 1...Kf4
        • 2.Qh2#
      • 1...Kd6
        • 2.Bh2#
      • 1...Kf6!
  • Keys
    • 1.Bc4!
      • 1...Kf4
        • 2.Bh2#
      • 1...Kd6
        • 2.Qh2#
      • 1...Kf6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB(B)
    • K(a);S_FLIGHT::B(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(K);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(K);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::QAB(B)
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