MESON Chess Problem Database

Problem Display
PID: 158358 (8/8/8/4BR2/1N2k1Kn/2P2R2/8/8 w - - 0 1)

Ahlberg, Ragnar

Tidskrift for Schack, 1968

8/8/8/4BR2/1N2k1Kn/2P2R2/8/8

#2

6 + 2

15148 Sadier Collection 2016
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Bd4!
      • threat
        • 2.Re3#
        • 2.R3f4#
        • 2.R5f4#
        • 2.Re5#
      • 1...Sxf3
        • 2.Rf4#
      • 1...Sxf5
        • 2.Rf4#
      • 1...Sg2
        • 2.Re5#
      • 1...Sg6
        • 2.Re3#

Anticipated by 178777(1955)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(E);
    • Threat
      • DUALS(4)
    • Vars
      • S(b);XR(B)::R1(F)
      • S(b);XR(F)::R1(B)
      • S(b);::R1(F)
      • S(b);::R1(B)
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