MESON Chess Problem Database

Problem Display
PID: 2876 (5R2/2K5/3Pk3/1P6/8/prp1N2b/P7/B3R3 w - - 0 1)

van Dijk, Johannes

Source?, 1898

5R2/2K5/3Pk3/1P6/8/prp1N2b/P7/B3R3

#2

8 + 5

5454 Near Snap 2017

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Rf6#
  • Keys
    • 1.Kc6!
      • threat
        • 2.Sd1#
        • 2.Sf1#
        • 2.Sc2#
        • 2.Sg2#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Sd5#
        • 2.Sf5#
      • 1...Bg2+
        • 2.Sxg2#
      • 1...Ke5
        • 2.Sc2#
      • 1...Rxb5
        • 2.Sd5#
      • 1...Rb1
        • 2.Sd1#
      • 1...Rb2
        • 2.Sc2#
      • 1...Rb4
        • 2.Sc4#
      • 1...Bf1
        • 2.Sxf1#
      • 1...Bg4
        • 2.Sxg4#
      • 1...Bf5
        • 2.Sxf5#
      • 1...c2
        • 2.Rf6#

This anticipates 140854(1968), 42551(1979)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(c);::R1(H)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • DUALS(8)
    • Vars
      • B(d);CHECK::R(B)+S(D),XB(d)
      • K(e);P-FLIGHT,P_SPINP(c)::R(B)+S(D)
      • R(b);XP(E)::R(B)+S(D)
      • R(b);::R(B)+S(D)
      • B(d);::R(B)+S(D),XB(d)
      • P(c);::R1(H)
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