MESON Chess Problem Database

Problem Display
PID: 223457 (1b5Q/1K6/4pP2/3k1p2/1p6/1PPN4/5P1B/3R4 w - - 0 1)

Wheeler, Charles Henry

3rd Prize, Auburn Citizen, 1886

1b5Q/1K6/4pP2/3k1p2/1p6/1PPN4/5P1B/3R4

#2

9 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Se1+?
      • 1...Ke4
        • 2.Rd4#
      • 1...Kc5!
    • 1.Se5+?
      • 1...Ke4
        • 2.Rd4#
      • 1...Kc5!
    • 1.Qxb8?
      • threat
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
      • 1...Ke4!
    • 1.Qc8?
      • threat
        • 2.Sc5#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ke4
        • 2.Qc6#
      • 1...Bxh2
        • 2.Qc6#
      • 1...bxc3
        • 2.Sc5#
        • 2.Qc4#
      • 1...Bg3
        • 2.Qc6#
      • 1...Bf4
        • 2.Qc6#
      • 1...Be5
        • 2.Qc6#
      • 1...f4
        • 2.Qc6#
      • 1...e5
        • 2.Sc5#
        • 2.Qc6#
      • 1...Bc7!
    • 1.Qe8?
      • threat
        • 2.Qc6#
      • 1...Ke4
        • 2.Qc6#
      • 1...bxc3!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Sc5#
      • 1...Ke4
        • 2.Qh1#
      • 1...Kxd6
        • 2.Qd8#
      • 1...Bxd6
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(I);XB(e)
      • Threat
        • QAR1(I)
      • Vars
        • P(d);::QAR1(I),XP(d)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(I);
      • Threat
        • DUALS(3)
      • Vars
        • K(b);S_FLIGHT::QAB(I)
        • B(e);XB(C)::QAB1(I)
        • B(e);::QAB1(I)
        • P(c);::QAB1(I)
      • Refutation
        • B(e);
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • K(b);P_SPINP(d),S_FLIGHT::QAB(I)
      • Refutation
        • P(a);XP(E)
  • Actual
    • B(C);
    • Threat
      • R(A)+S(F)
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • K(b);OGATEB,P-FLIGHT,XB(C)::QAR2(I)
      • B(e);SBLOCK,XB(C)::QAB(I)
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