MESON Chess Problem Database

Problem Display
PID: 208094 (8/2n5/6N1/8/4k3/2PR4/B3K3/8 w - - 0 1)

Blood, Charles H

Dubuque Chess Journal, 1874

8/2n5/6N1/8/4k3/2PR4/B3K3/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Bb1?
      • threat
        • 2.Rd1#
        • 2.Rd2#
        • 2.Rd4#
        • 2.Rd6#
        • 2.Rd7#
        • 2.Rd8#
      • 1...Sd5
        • 2.Rd1#
        • 2.Rd2#
        • 2.Re3#
        • 2.Rf3#
        • 2.Rg3#
        • 2.Rh3#
        • 2.Rd4#
      • 1...Kf5!
    • 1.Be6?
      • threat
        • 2.Re3#
        • 2.Rd4#
      • 1...Sb5
        • 2.Re3#
      • 1...Sd5
        • 2.Rd4#
      • 1...Sxe6!
    • 1.Rf3?
      • threat
        • 2.Rf4#
      • 1...Sd5
        • 2.Bb1#
      • 1...Se6!
  • Keys
    • 1.Rd5!
      • threat
        • 2.Re5#
      • 1...Sxd5
        • 2.Bb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(6)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);::R1(D)
      • Refutation
        • S(b);XB(A)
    • Try
      • R(D);
      • Threat
        • R1(D)
      • Vars
        • S(b);SBLOCK::B(A)
      • Refutation
        • S(b);
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • S(b);SBLOCK,XR(D)::B(A)
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