MESON Chess Problem Database

Problem Display
PID: 170183 (1R1K4/8/6NP/3kP1BQ/1P1n2NP/8/PP1R1P2/8 w - - 0 1)

Hoffmann, Martin Wolfgang

Tages-Anzeiger, 1986

1R1K4/8/6NP/3kP1BQ/1P1n2NP/8/PP1R1P2/8

#2

14 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Se3#
    • 1...Kc6
      • 2.Se7#
  • Tries
    • 1.Kd7?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4!
    • 1.Se3+?
      • 1...Ke4
        • 2.Qg4#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6!
    • 1.Sf4+?
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Qe8#
      • 1...Ke4!
    • 1.Se7+?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke6
        • 2.Qg6#
      • 1...Ke4!
    • 1.Bf4?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6!
    • 1.Bf6?
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Sf4#
      • 1...Ke4!
    • 1.Be7?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kc6!
    • 1.Rb6?
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4!
    • 1.f3?
      • 1...Kc4
        • 2.Se3#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6!
  • Keys
    • 1.Be3!
      • 1...Kc4
        • 2.Rxd4#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),S_FLIGHT::S(F)
    • K(b);N_SPINS(a),S_FLIGHT::S(K)
  • Tries
    • Try
      • K(N);P-FLIGHT
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::QAR2(J)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • S(K);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::QAB(J)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • S(K);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::QAR2(J)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • B(I);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • R(M);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(F)
        • K(b);N_SPINS(a),S_FLIGHT::S(K)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
  • Actual
    • B(I);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::R1(C),XS(a)
      • K(b);N_SPINS(a),S_FLIGHT::S(F)
      • K(b);N_SPINS(a),S_FLIGHT::S(K)
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