MESON Chess Problem Database

Problem Display
PID: 95237 (8/2B5/4n2p/r1Q1q1kp/3p1R1N/b2N4/1P5P/1K6 w - - 0 1)

Herland, Sigmund

Deutsche Schachzeitung, 1910

8/2B5/4n2p/r1Q1q1kp/3p1R1N/b2N4/1P5P/1K6

#2

8 + 8

16336 Problemes choisis composes par Sigmund Herland (Yaremska-Iliescu) 2001
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Qxe5#
    • 1...Ra6
      • 2.Qxe5#
    • 1...Ra7
      • 2.Qxe5#
    • 1...Ra8
      • 2.Qxe5#
    • 1...Sg7
      • 2.Bd8#
    • 1...Sd8
      • 2.Bxd8#
    • 1...Sf8
      • 2.Bd8#
  • Tries
    • 1.Qe7+?
      • 1...Qf6
        • 2.Qxf6#
      • 1...Bxe7!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sh3#
      • 1...Qf5+
        • 2.Se4#
      • 1...Kxf4
        • 2.Qc1#
      • 1...Sxf4
        • 2.Bd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(c);N_GUARD::QAR2(G),XQ(d)
    • S(g);N_GUARD::B(H)
    • S(g);N_GUARD::B(H),XS(g)
  • Tries
    • Try
      • Q(G);CHECK,N_PINQ(d)
      • Vars
        • Q(d);N_GUARD,P_SPINQ(d)::QAB1(G),XQ(d)
      • Refutation
        • B(a);XQ(G)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • Q(d);CHECK::S(D)
      • K(e);OGATEB,S_FLIGHT,XR(E)::QAB(G)
      • S(g);N_GUARD,SBLOCK,XR(E)::B(H)
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