MESON Chess Problem Database

Problem Display
PID: 182668 (3r4/pB4bQ/8/1p6/1pkB4/pN2RR1K/8/q2r1n2 w - - 0 1)

Weenink, Henri Gerard Maria

De Nieuwe Amsterdammer, 1919

3r4/pB4bQ/8/1p6/1pkB4/pN2RR1K/8/q2r1n2

#2

7 + 10

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

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qd3#
    • 1...Rc1
      • 2.Qd3#
    • 1...Re1
      • 2.Qd3#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Rg8
      • 2.Qxg8#
    • 1...Bf6
      • 2.Qc7#
    • 1...Bh6
      • 2.Qc7#
    • 1...Bh8
      • 2.Qc7#
    • 1...Sd2
      • 2.Qd3#
  • Tries
    • 1.Qg8+?
      • 1...Rd5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...Rxg8!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sa5#
      • 1...Qxd4
        • 2.Qc2#
      • 1...R1xd4
        • 2.Qd3#
      • 1...R8xd4
        • 2.Qg8#
      • 1...Bxd4
        • 2.Qc7#
      • 1...a5
        • 2.Sxa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 9
  • Sets
    • R(b);N_GUARD::QAB1(G)
    • R(b);N_GUARD::QAB1(G),XR(b)
    • R(j);N_GUARD::QAB(G),XR(j)
    • B(i);OGATE::QAR(G)
    • S(c);S_CUTR(b)::QAB1(G)
  • Tries
    • Try
      • Q(G);CHECK
      • Refutation
        • R(j);XQ(G)
  • Actual
    • R(C);
    • Threat
      • S(A)
    • Vars
      • Q(a);N_GUARD,P_SPINQ(a),XB(E)::QAR2(G)
      • R(b);N_GUARD,P_SPINR(b),XB(E)::QAB1(G)
      • R(j);N_GUARD,P_SPINR(j),XB(E)::QAB(G)
      • B(i);OGATE,P_SPINB(i),XB(E)::QAR(G)
      • P(h);::S(A),XP(h)
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Developed and maintained by Brian Stephenson.
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