MESON Chess Problem Database

Problem Display
PID: 189649 (2B5/b5pK/4P3/3p1kBp/1Q3P2/2r5/3N2b1/2r1nN2 w - - 0 1)

von Gottschall, Hermann

Magyar Sakkvilag, 1911

2B5/b5pK/4P3/3p1kBp/1Q3P2/2r5/3N2b1/2r1nN2

#2

8 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Se3#
    • 1...Bc5
      • 2.e7#
  • Tries
    • 1.Qxc3?
      • threat
        • 2.e7#
      • 1...Kg4
        • 2.e7#
      • 1...Rxc3!
  • Keys
    • 1.Qc5!
      • threat
        • 2.e7#
      • 1...Kg4
        • 2.e7#
      • 1...Rxc5
        • 2.Se3#
      • 1...Re3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD,S_CUTB(h)::S(A)
    • B(h);S_CUTR(d)::B(H)+P(F)
  • Tries
    • Try
      • Q(C);XR(d)
      • Threat
        • B(H)+P(F)
      • Vars
        • K(f);S_FLIGHT::B(H)+P(F)
      • Refutation
        • R(a);XQ(C)
  • Actual
    • Q(C);P_PINP(e)
    • Threat
      • B(H)+P(F)
    • Vars
      • K(f);N_SPINP(e),S_FLIGHT::B(H)+P(F)
      • R(d);N_GUARD,N_SPINP(e),XQ(C)::S(A)
      • R(d);N_GUARD::S(A),XR(d)
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