MESON Chess Problem Database

Problem Display
PID: 166719 (1N1Qn3/1Rrb4/5p2/k3bR2/P1p5/1PK5/3P4/4B3 w - - 0 1)

Moen, Kabe

StrateGems, 2016

1N1Qn3/1Rrb4/5p2/k3bR2/P1p5/1PK5/3P4/4B3

#2

9 + 7

133 The Problemist Supplement 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rxe5+?
      • 1...Bb5
        • 2.Rexb5#
        • 2.Rbxb5#
      • 1...fxe5!
  • Keys
    • 1.d4!
      • 1...cxb3+
        • 2.Kxb3#
      • 1...cxd4 ep+
        • 2.Kxd3#
      • 1...Bxa4
        • 2.b4#
      • 1...Bxf5
        • 2.Rb5#
      • 1...Bb5
        • 2.Rxb5#
      • 1...Bc6
        • 2.Kxc4#
      • 1...Be6
        • 2.Rb5#
      • 1...Bc8
        • 2.Rb5#
      • 1...Sd6
        • 2.Qxc7#
      • 1...Sg7
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • R(F);CHECK,XB(c)
      • Refutation
        • P(d);XR(F)
  • Actual
    • P(B);P_SPINP(B)
    • Vars
      • P(a);CHECK,XP(C)::B(A)+K(D),XP(a)
      • P(a);CHECK,EP,XP(B)::B(A)+K(D),XP(a)
      • B(f);SBLOCK,XP(E)::P(C)
      • B(f);N_GUARD,N_SPINB(c),XR(F)::R1(G)
      • B(f);N_GUARD,N_SPINB(c)::R1(G),XB(f)
      • B(f);::B(A)+K(D),XP(a)
      • B(f);N_GUARD::R1(G)
      • S(g);N_GUARD::QAB(I),XR(e)
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