MESON Chess Problem Database

Problem Display
PID: 182704 (2Q5/5p2/PnB5/r1b4K/PPk1P3/1N2p3/2P5/4B3 w - - 0 1)

Weenink, Henri Gerard Maria

Algemeen Handelsblad, 1919

(First published on Thu Nov 13 1919)

2Q5/5p2/PnB5/r1b4K/PPk1P3/1N2p3/2P5/4B3

#2

10 + 6

16055 HGM Weenink (Euwe/Niemeijer/Rueb/Trotsenburg) 1932

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Bxb5#
    • 1...Rxa6
      • 2.Bb5#
      • 2.Qxa6#
    • 1...Bxb4+
      • 2.Bb5#
      • 2.Bd5#
    • 1...Bd4+
      • 2.Sxa5#
      • 2.Bb5#
      • 2.Bd5#
    • 1...Bd6+
      • 2.Bb5#
      • 2.Bd5#
    • 1...Be7+
      • 2.Bb5#
      • 2.Bd5#
    • 1...Bf8+
      • 2.Bb5#
      • 2.Bd5#
    • 1...Sd5
      • 2.Bxd5#
    • 1...Sd7
      • 2.Bd5#
    • 1...Sa8
      • 2.Bd5#
    • 1...Sxc8
      • 2.Bd5#
  • Tries
    • 1.Qe6+?
      • 1...Sd5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...fxe6!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe2#
      • 1...Bxb4+
        • 2.e5#
      • 1...Bd4+
        • 2.Sxa5#
      • 1...Bd6+
        • 2.e5#
      • 1...Be7+
        • 2.e5#
      • 1...Bf8+
        • 2.e5#
      • 1...e2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::B(I),XR(c)
    • S(e);N_GUARD::B(I),XS(e)
    • S(e);N_GUARD::B(I)
    • S(e);N_GUARD,XQ(J)::B(I)
  • Tries
    • Try
      • Q(J);CHECK
      • Refutation
        • P(f);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAB(J)
    • Vars
      • B(d);CHECK,N_GUARD,XP(E)::QAR(J)+P(F)
      • B(d);CHECK,SBLOCK::S(C),XR(c)
      • B(d);CHECK,N_GUARD::QAR(J)+P(F)
      • P(a);::QAB(J),XP(a)
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