MESON Chess Problem Database

Problem Display
PID: 80419 (8/3p4/p2B4/K2k4/2b1N1P1/1N6/2R1P3/Q7 w - - 0 1)

de Barbieri, Vittorio

L'Illustrazione Italiana, 1884

8/3p4/p2B4/K2k4/2b1N1P1/1N6/2R1P3/Q7

#2

8 + 4

6169 Dal classico agli albori del moderno compositori scacchisti 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qd4#
      • 2.Qe5#
    • 1...Bxe2
      • 2.Qe5#
    • 1...Bxb3
      • 2.Qe5#
    • 1...Bd3
      • 2.Qe5#
    • 1...Bb5
      • 2.Qe5#
  • Tries
    • 1.Kb6?
      • threat
        • 2.Qe5#
      • 1...Kxe4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Ke6!
    • 1.Qc3?
      • threat
        • 2.Qxc4#
      • 1...Kxe4
        • 2.Qd4#
        • 2.Qe5#
        • 2.Qf3#
      • 1...Ke6
        • 2.Qxc4#
      • 1...Bxe2
        • 2.Qe5#
      • 1...Bxb3
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#
      • 1...Bb5
        • 2.Qe5#
      • 1...Kc6!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Sg5#
        • 2.Qxc4#
      • 1...Kc6!
    • 1.Qf6?
      • 1...Kxe4
        • 2.Qd4#
        • 2.Qe5#
        • 2.Qf3#
      • 1...Bxe2
        • 2.Qe5#
        • 2.Qf5#
      • 1...Bxb3
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#
        • 2.Qf5#
      • 1...Bb5
        • 2.Qe5#
        • 2.Qf5#
      • 1...Kc6!
    • 1.Qg7?
      • 1...Kxe4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Ke6
        • 2.Qg8#
      • 1...Bxe2
        • 2.Qe5#
      • 1...Bxb3
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#
      • 1...Bb5
        • 2.Qe5#
      • 1...Kc6!
  • Keys
    • 1.Qh8!
      • 1...Kxe4
        • 2.Qd4#
        • 2.Qe5#
      • 1...Kc6
        • 2.Qa8#
      • 1...Ke6
        • 2.Qg8#
      • 1...Bxe2
        • 2.Qe5#
      • 1...Bxb3
        • 2.Qe5#
      • 1...Bd3
        • 2.Qe5#
      • 1...Bb5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);XP(C)::QAR1(A)
    • B(a);XS(D)::QAR1(A)
    • B(a);::QAR1(A)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XB(a)
      • Vars
        • K(b);S_FLIGHT::QAB(A),XB(a)
        • B(a);XP(C)::QAR1(A)
        • B(a);XS(D)::QAR1(A)
        • B(a);::QAR1(A)
      • Refutation
        • K(b);P_SPINB(a),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(b);P_SPINB(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • B(a);XS(D)::QAR1(A)
      • Refutation
        • K(b);P_SPINB(a),S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • B(a);XP(C)::QAR1(A)
        • B(a);XS(D)::QAR1(A)
        • B(a);::QAR1(A)
      • Refutation
        • K(b);P_SPINB(a),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::QAB(A)
      • K(b);S_FLIGHT::QAB(A)
      • B(a);XP(C)::QAR1(A)
      • B(a);XS(D)::QAR1(A)
      • B(a);::QAR1(A)
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