MESON Chess Problem Database

Problem Display
PID: 155324 (8/8/2p2N2/2pq4/2BkpB2/KR1P4/2R5/N7 w - - 0 1)

Barnes, Barry Peter

StrateGems, 2013

8/8/2p2N2/2pq4/2BkpB2/KR1P4/2R5/N7

#2

8 + 5

56 The Problemist 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc4
      • 2.Rxc4#
    • 1...exd3
      • 2.Rxd3#
  • Tries
    • 1.Bxd5?
      • threat
        • 2.Rc4#
      • 1...c4
        • 2.Rxc4#
      • 1...cxd5!
    • 1.Re2?
      • threat
        • 2.Sc2#
      • 1...Qxc4
        • 2.Rxe4#
      • 1...exd3!
  • Keys
    • 1.Rc1!
      • threat
        • 2.Sc2#
      • 1...Qxc4
        • 2.Rxc4#
      • 1...exd3
        • 2.Rxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(d);OGATE,XB(F)::R1(B),XQ(d)
    • P(b);OGATE,XP(E)::R1(D),XP(b)
  • Tries
    • Try
      • B(F);XQ(d)
      • Threat
        • R1(B)
      • Vars
        • P(c);::R1(B),XP(c)
      • Refutation
        • P(e);XB(F)
    • Try
      • R(B);
      • Threat
        • S(A)
      • Vars
        • Q(d);N_GUARD,XB(F)::R1(B),XP(b)
      • Refutation
        • P(b);XP(E)
  • Actual
    • R(B);
    • Threat
      • S(A)
    • Vars
      • Q(d);OGATE,XB(F)::R1(B),XQ(d)
      • P(b);OGATE,XP(E)::R1(D),XP(b)
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