MESON Chess Problem Database

Problem Display
PID: 241689 (6b1/8/p7/BP3R2/1RPN4/1PK5/pNP3p1/n3k3 w - - 0 1)

Mlynka, Karol

3rd Comm., Neue Zurcher Zeitung, 1988

(First published on Fri Mar 11 1988)

6b1/8/p7/BP3R2/1RPN4/1PK5/pNP3p1/n3k3

#2

10 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ra4?
      • threat
        • 2.Kd3#
      • 1...Bxc4
        • 2.Kxc4#
      • 1...Sxc2
        • 2.Kxc2#
      • 1...Sxb3
        • 2.Kxb3#
      • 1...axb5!
  • Keys
    • 1.Kd3!
      • threat
        • 2.Ra4#
      • 1...Bxc4+
        • 2.Rxc4#
      • 1...Sxc2
        • 2.Sxc2#
      • 1...Sxb3
        • 2.Rxb3#
      • 1...axb5
        • 2.Rbxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);
      • Threat
        • B(H)+K(D)
      • Vars
        • B(f);XP(F)::B(H)+K(D),XB(f)
        • S(a);XP(B)::B(H)+K(D),XS(a)
        • S(a);XP(C)::B(H)+K(D),XS(a)
      • Refutation
        • P(e);XP(I)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • B(H)+R(E)
    • Vars
      • B(f);CHECK,OGATE,XP(F)::B(H)+R(E),XB(f)
      • S(a);XP(B)::S(G),XS(a)
      • S(a);OGATE,XP(C)::B(H)+R(E),XS(a)
      • P(e);OGATE,XP(I)::B(H)+R(E),XP(e)
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