MESON Chess Problem Database

Problem Display
PID: 184053 (5K2/8/N6p/4Rn1r/P1k1r2p/3R3Q/b7/Bn4b1 w - - 0 1)

Weenink, Henri Gerard Maria

Tijdschrift vd NSB, 1929

5K2/8/N6p/4Rn1r/P1k1r2p/3R3Q/b7/Bn4b1

#2

7 + 9

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

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Rc5#
    • 1...Bh2
      • 2.Rc5#
    • 1...Bc5+
      • 2.Rxc5#
  • Tries
    • 1.Rc3+?
      • 1...Sxc3
        • 2.Qxc3#
      • 1...Kd4!
  • Keys
    • 1.Ra3!
      • threat
        • 2.Qd3#
      • 1...Bc5+
        • 2.Rxc5#
      • 1...Sxa3
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#
      • 1...Re3
        • 2.Rc5#
      • 1...Rd4
        • 2.Rc5#
      • 1...Be3
        • 2.Qf1#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Se3
        • 2.Qc8#
      • 1...Sg3
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(e);S_CUTB(b)::R1(E)
    • B(b);N_GUARD::R1(E)
    • B(b);CHECK,N_GUARD::R1(E),XB(b)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • S(a);OGATE,XR(B)::QAR1(C),XS(a)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • QAB1(C)
    • Vars
      • B(b);CHECK,N_GUARD::R1(E),XB(b)
      • S(a);N_GUARD,XR(B)::QAR1(C)
      • S(a);N_GUARD::QAR1(C),XS(a)
      • R(e);S_CUTB(b)::R1(E)
      • B(b);S_CUTR(e)::QAB(C)
      • B(c);N_GUARD::QAB1(C),XB(c)
      • S(g);OGATE::QAR(C)
      • S(g);OGATE::QAB(C)
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