MESON Chess Problem Database

Problem Display
PID: 195116 (8/6pR/3p4/R2N1kp1/2B5/1QB5/6NK/8 w - - 0 1)

Barnett, Bernard

Pittsburgh Gazette-Times, 1918

8/6pR/3p4/R2N1kp1/2B5/1QB5/6NK/8

#2

8 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Sde3+?
      • 1...Kg6
        • 2.Bd3#
        • 2.Qc2#
        • 2.Qb1#
      • 1...Ke4!
    • 1.Sf6+?
      • 1...Kg6
        • 2.Bd3#
        • 2.Bf7#
        • 2.Qc2#
        • 2.Qb1#
      • 1...d5!
    • 1.Se7+?
      • 1...Kg4
        • 2.Be2#
        • 2.Qd1#
      • 1...Ke4!
    • 1.Bd3+?
      • 1...Kg4
        • 2.Qd1#
      • 1...Ke6!
    • 1.Qc2+?
      • 1...Kg4
        • 2.Be2#
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qb1+?
      • 1...Kg4
        • 2.Be2#
        • 2.Qe4#
      • 1...Ke6!
  • Keys
    • 1.Qb7!
      • 1...Ke4
        • 2.Sf6#
      • 1...Kg4
        • 2.Sde3#
      • 1...Ke6
        • 2.Sdf4#
      • 1...Kg6
        • 2.Bd3#
      • 1...g4
        • 2.Se7#
      • 1...g6
        • 2.Sde3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);S_FLIGHT::QAB(C)+S(G),DCHECK
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::B(E)+S(G),DCHECK
      • K(a);S_FLIGHT::B(E)
      • P(b);SBLOCK::R(F)+S(G),DCHECK
      • P(d);SBLOCK::R(F)+S(G),DCHECK
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