MESON Chess Problem Database

Problem Display
PID: 223054 (3N4/2r5/4RP2/B1P5/3k4/3pNKb1/8/8 w - - 0 1)

Bayer, Konrad

Brunner Beobachter, 1885

3N4/2r5/4RP2/B1P5/3k4/3pNKb1/8/8

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.Re4#
  • Tries
    • 1.Rd6+?
      • 1...Kxc5
        • 2.Rd5#
      • 1...Ke5
        • 2.Bc3#
      • 1...Bxd6!
  • Keys
    • 1.Re5!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Rxc5
        • 2.Re4#
      • 1...Bxe5
        • 2.Se6#
      • 1...Rd7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK,XP(D)::R1(E)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(D)::R1(E)
        • K(c);S_FLIGHT::B(C)
      • Refutation
        • B(b);XR(E)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(c);S_FLIGHT,XR(E)::B(C)
      • R(d);SBLOCK,XP(D)::R1(E)
      • B(b);SBLOCK,XR(E)::S(G)
      • R(d);N_GUARD::S(G)
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