MESON Chess Problem Database

Problem Display
PID: 219051 (8/1N6/2p5/3p4/b1k5/P2R1N2/R5B1/K3B3 w - - 0 1)

Arnold, William E

St. Louis Globe Democrat, 1882

8/1N6/2p5/3p4/b1k5/P2R1N2/R5B1/K3B3

#2

8 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Se5#
      • 2.Rc3#
  • Tries
    • 1.Bf1?
      • threat
        • 2.Rc3#
        • 2.Re3#
      • 1...Kb5
        • 2.Rb3#
      • 1...Bd1
        • 2.Rc3#
      • 1...Bc2
        • 2.Rc3#
      • 1...d4!
    • 1.Rd4+?
      • 1...Kb3
        • 2.Sa5#
        • 2.Sc5#
        • 2.Rb4#
      • 1...Kb5!
  • Keys
    • 1.Rb3!
      • 1...Kxb3
        • 2.Sa5#
      • 1...Bxb3
        • 2.Bf1#
      • 1...d4
        • 2.Sd2#
      • 1...Bb5
        • 2.Rc3#
      • 1...c5
        • 2.Sa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::B(D)+R(F),DCHECK
        • B(a);::B(D)+R(F),DCHECK
      • Refutation
        • P(c);
    • Try
      • R(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(b);S_FLIGHT,XR(F)::S(H)
      • B(a);SBLOCK,XR(F)::B(D)
      • P(c);SBLOCK::S(G)
      • B(a);SBLOCK::R1(F)
      • P(d);SBLOCK::S(H)
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