MESON Chess Problem Database

Problem Display
PID: 32289 (1B6/4Q3/4B3/7N/4Rp2/4pk2/8/6K1 w - - 0 1)

Barbier, Georges Emile

The Westminster Papers, 1875

1B6/4Q3/4B3/7N/4Rp2/4pk2/8/6K1

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Bh3?
      • 1...e2
        • 2.Rxf4#
      • 1...Ke2!
    • 1.Bf5?
      • 1...e2
        • 2.Rxf4#
        • 2.Qa3#
      • 1...Ke2!
    • 1.Bd7?
      • 1...e2
        • 2.Rxf4#
      • 1...Ke2!
    • 1.Bc8?
      • 1...e2
        • 2.Rxf4#
      • 1...Ke2!
    • 1.Ra4?
      • 1...e2
        • 2.Qa3#
      • 1...Ke2!
    • 1.Rc4?
      • 1...e2
        • 2.Qa3#
      • 1...Ke2!
    • 1.Rd4?
      • 1...e2
        • 2.Qa3#
      • 1...Ke2!
    • 1.Re5?
      • 1...e2
        • 2.Qa3#
        • 2.Qb7#
      • 1...Ke2!
    • 1.Qc5?
      • 1...Kxe4
        • 2.Qd5#
      • 1...e2
        • 2.Rxf4#
      • 1...Ke2!
    • 1.Qg5?
      • threat
        • 2.Qg2#
      • 1...Kxe4
        • 2.Qd5#
      • 1...Ke2!
    • 1.Qd6?
      • 1...Kxe4
        • 2.Qd5#
      • 1...e2
        • 2.Qxf4#
        • 2.Qd3#
      • 1...Ke2!
    • 1.Qd8?
      • 1...Kxe4
        • 2.Qd5#
      • 1...e2
        • 2.Qd3#
      • 1...Ke2!
    • 1.Qb7?
      • 1...e2
        • 2.Re5#
      • 1...Ke2!
    • 1.Qd7?
      • 1...Kxe4
        • 2.Qd5#
      • 1...e2
        • 2.Qd3#
      • 1...Ke2!
  • Keys
    • 1.Sg3!
      • 1...Kxg3
        • 2.Rxe3#
      • 1...fxg3
        • 2.Bg4#
      • 1...e2
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • P(a);::R1(B),XP(c)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(D);
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(D);
      • Vars
        • P(a);::R1(B),XP(c)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(D);
      • Vars
        • P(a);::R1(B),XP(c)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB,SBLOCK::QAR(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB,SBLOCK::QAR(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB,SBLOCK::QAR(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(B);
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(E)
        • P(a);SBLOCK::R1(B),XP(c)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(E)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(E)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(E)
        • P(a);OGATEB::QAR2(E)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • P(a);::QAB(E)+R(B)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);OGATEB,S_FLIGHT,XR(B)::QAB1(E)
        • P(a);OGATEB::QAR2(E)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(c),XS(C)::R(B),XP(a)
      • P(c);XS(C)::B(D)
      • P(a);OGATEB::QAR(E)
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