MESON Chess Problem Database

Problem Display
PID: 224396 (4k3/1R2b3/4Bp2/5K2/8/8/8/7Q w - - 0 1)

Wendel, Fred

Wilkes-Barre Record, 1887

4k3/1R2b3/4Bp2/5K2/8/8/8/7Q

#2

4 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Qh8#
    • 1...Bd8
      • 2.Qh8#
  • Tries
    • 1.Ra7?
      • 1...Kd8
        • 2.Qa8#
      • 1...Kf8
        • 2.Qh8#
      • 1...Ba3
        • 2.Qa8#
      • 1...Bb4
        • 2.Qa8#
      • 1...Bc5
        • 2.Qa8#
      • 1...Bd8
        • 2.Qh8#
      • 1...Bf8
        • 2.Qa8#
      • 1...Bd6!
    • 1.Rd7?
      • 1...Kf8
        • 2.Qh8#
      • 1...Ba3
        • 2.Qa8#
      • 1...Bb4
        • 2.Qa8#
      • 1...Bc5
        • 2.Qa8#
      • 1...Bd8
        • 2.Qh8#
      • 1...Bf8
        • 2.Qa8#
        • 2.Qh5#
      • 1...Bd6!
    • 1.Qc6+?
      • 1...Kd8
        • 2.Rb8#
        • 2.Qd7#
        • 2.Qc8#
      • 1...Kf8!
    • 1.Qh2?
      • 1...Kd8
        • 2.Rb8#
        • 2.Qb8#
      • 1...Kf8
        • 2.Qh8#
      • 1...Ba3
        • 2.Qb8#
      • 1...Bb4
        • 2.Qb8#
      • 1...Bc5
        • 2.Qb8#
      • 1...Bd8
        • 2.Qh8#
      • 1...Bf8
        • 2.Qb8#
      • 1...Bd6!
    • 1.Qh5+?
      • 1...Kf8
        • 2.Qf7#
        • 2.Qh8#
      • 1...Kd8!
    • 1.Qh7?
      • threat
        • 2.Qxe7#
      • 1...Kd8
        • 2.Qxe7#
      • 1...Kf8
        • 2.Qg8#
        • 2.Qxe7#
        • 2.Qf7#
        • 2.Qh8#
      • 1...Ba3
        • 2.Rb8#
      • 1...Bb4
        • 2.Rb8#
      • 1...Bc5
        • 2.Rb8#
      • 1...Bd8
        • 2.Qg8#
        • 2.Qf7#
        • 2.Qh8#
      • 1...Bf8
        • 2.Rb8#
        • 2.Qd7#
      • 1...Bd6!
  • Keys
    • 1.Rc7!
      • 1...Kd8
        • 2.Rc8#
      • 1...Kf8
        • 2.Qh8#
      • 1...Ba3
        • 2.Qa8#
      • 1...Bb4
        • 2.Qa8#
      • 1...Bc5
        • 2.Qa8#
      • 1...Bd6
        • 2.Qa8#
      • 1...Bd8
        • 2.Qh8#
      • 1...Bf8
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(A)
    • B(b);N_GUARD,SBLOCK::QAR(A)
  • Tries
    • Try
      • R(D);
      • Vars
        • K(c);P-FLIGHT::QAR(A)
        • K(c);P-FLIGHT::QAR2(A)
        • B(b);N_GUARD::QAR(A)
        • B(b);N_GUARD,SBLOCK::QAR(A)
      • Refutation
        • B(b);
    • Try
      • R(D);
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
        • B(b);N_GUARD::QAR(A)
      • Refutation
        • B(b);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(c);P-FLIGHT::QAR2(A)
        • B(b);N_GUARD::QAR(A)
        • B(b);N_GUARD,SBLOCK::QAR(A)
      • Refutation
        • B(b);
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XB(b)
      • Vars
        • K(c);P-FLIGHT::QAB1(A),XB(b)
        • B(b);N_GUARD::R(D)
      • Refutation
        • B(b);
  • Actual
    • R(D);
    • Vars
      • K(c);P-FLIGHT::R1(D)
      • K(c);P-FLIGHT::QAR2(A)
      • B(b);N_GUARD::QAR(A)
      • B(b);N_GUARD,SBLOCK::QAR(A)
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