MESON Chess Problem Database

Problem Display
PID: 151374 (1bR5/2qpp1B1/1R6/P1k5/B1N1P3/1PP1p1K1/n3N1Pp/5Q1r w - - 0 1)

Witt, Andreas

Comm., Die Schwalbe, 2013

1bR5/2qpp1B1/1R6/P1k5/B1N1P3/1PP1p1K1/n3N1Pp/5Q1r

#2

13 + 9

23 Die Schwalbe 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Bd4#
      • 1...e5
        • 2.Sb7#
      • 1...Qc6!
    • 1.Rd6?
      • threat
        • 2.Bd4#
      • 1...e5
        • 2.Rd5#
      • 1...Sxc3!
    • 1.Qf4?
      • threat
        • 2.Bd4#
      • 1...e5
        • 2.Qxe3#
      • 1...Rd1!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Bd4#
      • 1...Sxc3
        • 2.b4#
      • 1...e5
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = WHITE_IN_CHECK
  • Tries
    • Try
      • S(H);P_SPINS(H)
      • Threat
        • B(L)
      • Vars
        • P(h);N_PINS(H)::S(H)
      • Refutation
        • Q(f);
    • Try
      • R(K);P_SPINR(K)
      • Threat
        • B(L)
      • Vars
        • P(h);N_PINR(K)::R1(K)
      • Refutation
        • S(b);XP(E)
    • Try
      • Q(A);P_SPINQ(A)
      • Threat
        • B(L)
      • Vars
        • P(h);N_PINQ(A)::QAB(A),XP(d)
      • Refutation
        • R(a);
  • Actual
    • S(B);P_SPINS(B)
    • Threat
      • B(L)
    • Vars
      • S(b);N_GUARD,XP(E)::P(D)
      • P(h);N_PINS(B)::S(B)
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