MESON Chess Problem Database

Problem Display
PID: 182801 (3N2b1/8/7p/P1Pk2NR/4R3/8/K7/8 w - - 0 1)

Weenink, Henri Gerard Maria

Eigen Haard, 1920

(First published on Sat Feb 7 1920)

3N2b1/8/7p/P1Pk2NR/4R3/8/K7/8

#2

7 + 3

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc5+
      • 2.Sgf7#
  • Tries
    • 1.Ra4?
      • threat
        • 2.Sf3#
        • 2.Sh3#
        • 2.Se4#
        • 2.Sge6#
        • 2.Sgf7#
        • 2.Sh7#
      • 1...Kxc5+
        • 2.Sgf7#
      • 1...hxg5
        • 2.Rxg5#
      • 1...Be6
        • 2.Sgxe6#
      • 1...Bf7
        • 2.Sgxf7#
      • 1...Bh7
        • 2.Sxh7#
      • 1...Ke5+!
    • 1.Rg4?
      • threat
        • 2.Sf3#
        • 2.Sh3#
        • 2.Sge6#
        • 2.Sgf7#
        • 2.Sh7#
      • 1...Kxc5+
        • 2.Sgf7#
      • 1...hxg5
        • 2.Rhxg5#
      • 1...Be6
        • 2.Sgxe6#
      • 1...Bf7
        • 2.Sgxf7#
      • 1...Bh7
        • 2.Sxh7#
      • 1...Ke5+!
    • 1.Reh4?
      • threat
        • 2.Sf3#
        • 2.Sh3#
        • 2.Sge6#
        • 2.Sgf7#
        • 2.Sh7#
      • 1...Kxc5+
        • 2.Sgf7#
      • 1...hxg5
        • 2.Rxg5#
      • 1...Be6
        • 2.Sgxe6#
      • 1...Bf7
        • 2.Sgxf7#
      • 1...Bh7
        • 2.Sxh7#
      • 1...Ke5+!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sf3#
        • 2.Sh3#
        • 2.Sge6#
        • 2.Sgf7#
        • 2.Sh7#
      • 1...Kxc5+
        • 2.Sgf7#
      • 1...Ke5+
        • 2.Sge6#
      • 1...hxg5
        • 2.Rxg5#
      • 1...Be6
        • 2.Sgxe6#
      • 1...Bf7
        • 2.Sgxf7#
      • 1...Bh7
        • 2.Sxh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(a);CHECK,P-FLIGHT,XP(D)::R(F)+S(E)
  • Tries
    • Try
      • R(B);
      • Threat
        • DUALS(6)
      • Vars
        • K(a);CHECK,P-FLIGHT,XP(D)::R(F)+S(E)
        • P(b);OGATE,P_SPINP(b),XS(E)::R(F),XP(b)
        • B(c);::R(F)+S(E),XB(c)
      • Refutation
        • K(a);CHECK,P-FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(5)
      • Vars
        • K(a);CHECK,P-FLIGHT,XP(D)::R(F)+S(E)
        • P(b);OGATE,P_SPINP(b),XS(E)::R(F),XP(b)
        • B(c);::R(F)+S(E),XB(c)
      • Refutation
        • K(a);CHECK,P-FLIGHT
    • Try
      • R(B);
      • Threat
        • DUALS(5)
      • Vars
        • K(a);CHECK,P-FLIGHT,XP(D)::R(F)+S(E)
        • P(b);OGATE,P_SPINP(b),XS(E)::R(F),XP(b)
        • B(c);::R(F)+S(E),XB(c)
      • Refutation
        • K(a);CHECK,P-FLIGHT
  • Actual
    • R(B);
    • Threat
      • DUALS(5)
    • Vars
      • K(a);CHECK,P-FLIGHT,XP(D)::R(F)+S(E)
      • K(a);CHECK,P-FLIGHT::R(F)+S(E)
      • P(b);OGATE,P_SPINP(b),XS(E)::R(F),XP(b)
      • B(c);::R(F)+S(E),XB(c)
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