MESON Chess Problem Database

Problem Display
PID: 218476 (3Q4/2R5/1p2p2p/1B2k2K/1P4P1/5P2/3P4/8 w - - 0 1)

Wheeler, Charles Henry

Charleston Sunday News, 1882

3Q4/2R5/1p2p2p/1B2k2K/1P4P1/5P2/3P4/8

#2

8 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kh4?
      • 1...Kf4
        • 2.Qf6#
      • 1...h5!
    • 1.Qg5+?
      • 1...Kd4
        • 2.Rd7#
      • 1...Kd6
        • 2.Rd7#
      • 1...hxg5!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Rd7#
      • 1...Kd6
        • 2.Rd7#
      • 1...Kxf6!
    • 1.Qd6+?
      • 1...Kf6
        • 2.Qf4#
      • 1...Kxd6!
    • 1.Qd7?
      • 1...Kf6
        • 2.Qg7#
      • 1...Kf4!
    • 1.Qf8?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kd5!
    • 1.Qh8+?
      • 1...Kd5
        • 2.Rd7#
      • 1...Kd6
        • 2.Rd7#
      • 1...Kf4!
  • Keys
    • 1.Qb8!
      • 1...Kd4
        • 2.Rd7#
      • 1...Kf4
        • 2.Rf7#
      • 1...Kd5
        • 2.Rd7#
      • 1...Kd6
        • 2.Rd7#
      • 1...Kf6
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(H)
      • Refutation
        • P(d);
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);S_FLIGHT::R(G)
        • K(a);S_FLIGHT::R1(G)
      • Refutation
        • P(d);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);P-FLIGHT::R(G)
        • K(a);P_SPINP(c),S_FLIGHT::R1(G)
      • Refutation
        • K(a);S_FLIGHT,XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);OGATE,P_SPINP(c),S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);S_FLIGHT,XQ(H)
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::QAB1(H)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(a);S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(a);P-FLIGHT::R(G)
        • K(a);S_FLIGHT::R1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(a);S_FLIGHT::R(G)
      • K(a);S_FLIGHT::QAB(H)+R(G),DCHECK
      • K(a);P-FLIGHT::R(G)
      • K(a);S_FLIGHT::QAB(H)
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