MESON Chess Problem Database

Problem Display
PID: 67153 (8/5K2/1N6/6p1/4k1p1/6B1/4P3/4R1Q1 w - - 0 1)

Bernard, Edmond

Tribune de Geneve, 1980

8/5K2/1N6/6p1/4k1p1/6B1/4P3/4R1Q1

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.e4#
  • Tries
    • 1.Sa4?
      • 1...Kf5
        • 2.e4#
      • 1...Kd5!
    • 1.Sc4?
      • 1...Kf5
        • 2.Sd6#
        • 2.e4#
      • 1...Kd5!
    • 1.Sd5?
      • 1...Kf5
        • 2.e4#
      • 1...Kxd5!
    • 1.Sd7?
      • 1...Kf5
        • 2.e4#
      • 1...Kd5!
    • 1.Sa8?
      • 1...Kf5
        • 2.e4#
      • 1...Kd5!
    • 1.Sc8?
      • 1...Kf5
        • 2.Sd6#
        • 2.e4#
      • 1...Kd5!
    • 1.Bh2?
      • 1...Kf5
        • 2.e4#
      • 1...g3!
    • 1.Bd6?
      • 1...Kf5
        • 2.e4#
      • 1...g3!
    • 1.Bc7?
      • 1...Kf5
        • 2.e4#
      • 1...g3!
    • 1.Bb8?
      • 1...Kf5
        • 2.e4#
      • 1...g3!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Rf1#
        • 2.Qd3#
        • 2.Qe5#
        • 2.Qe6#
      • 1...Kxe3!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Rf1#
        • 2.Qe5#
        • 2.Qd3#
        • 2.Qd5#
        • 2.e4#
      • 1...Kxd4!
  • Keys
    • 1.Ra1!
      • 1...Kf5
        • 2.Qb1#

FEATURES

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