MESON Chess Problem Database

Problem Display
PID: 207490 (2N1B3/4Brpn/4kbN1/3pn1P1/5RP1/8/8/7K w - - 0 1)

Lulman, Augustus

Australasian (The), 1871

2N1B3/4Brpn/4kbN1/3pn1P1/5RP1/8/8/7K

#2

8 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rxf6+?
      • 1...Sxf6
        • 2.Sf4#
      • 1...gxf6
        • 2.Sf4#
      • 1...Rxf6!
  • Keys
    • 1.Re4!
      • threat
        • 2.Sf4#
      • 1...Bxg5
        • 2.Rxe5#
      • 1...Bxe7
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK,XB(d)
      • Vars
        • S(g);XR(B)::S(E)
        • P(f);XR(B)::S(E)
      • Refutation
        • R(e);XR(B)
  • Actual
    • R(B);P_PINS(b)
    • Threat
      • S(E)
    • Vars
      • B(d);N_GUARD,XP(D)::R1(B),XS(b)
      • B(d);N_GUARD,XB(F)::R1(B),XS(b)
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