MESON Chess Problem Database

Problem Display
PID: 20910 (8/1n2p3/2p5/5QP1/K2kB3/2R1R2r/3b1p2/2n5 w - - 0 1)

Weenink, Henri Gerard Maria

Alkmaarsche Courant, 1914

8/1n2p3/2p5/5QP1/K2kB3/2R1R2r/3b1p2/2n5

#2

6 + 8

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

SOLUTION

  • SOUND
  • Sets
    • 1...Sa5
      • 2.Qc5#
    • 1...Sc5+
      • 2.Qxc5#
    • 1...Sd6
      • 2.Qc5#
    • 1...Sd8
      • 2.Qc5#
    • 1...c5
      • 2.Qd5#
  • Keys
    • 1.Bd3!
      • threat
        • 2.Qe5#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Kxc3
        • 2.Qe5#
      • 1...Kxe3
        • 2.Qe4#
      • 1...Rxe3
        • 2.Rc4#
      • 1...Bxe3
        • 2.Rc4#
      • 1...Sxd3
        • 2.Qxd3#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • S(g);N_GUARD::QAB1(E)
    • S(g);CHECK,N_GUARD::QAB1(E),XS(g)
    • P(f);N_GUARD::QAR1(E)
  • Actual
    • B(D);
    • Threat
      • QAB1(E)
    • Vars
      • S(g);CHECK,N_GUARD::QAB1(E),XS(g)
      • K(e);S_FLIGHT,XR(A)::QAB(E)
      • K(e);S_FLIGHT,XR(B)::QAR1(E)
      • R(d);SBLOCK,XR(B)::R1(A)
      • B(b);SBLOCK,XR(B)::R1(A)
      • S(a);OGATE,XB(D)::QAR1(E),XS(a)
      • P(h);::QAB1(E),XP(h)
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