MESON Chess Problem Database

Problem Display
PID: 99692 (5R2/3R4/1rn1P3/2NNk3/2P2pb1/1pKp2r1/1B1P4/7B w - - 0 1)

Haring, Jacobus

Magyar Sakkelet, 1973

5R2/3R4/1rn1P3/2NNk3/2P2pb1/1pKp2r1/1B1P4/7B

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Kxb3#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Rd5#
      • 1...Sxb4
        • 2.Kxb3#
      • 1...Bf3
        • 2.Sbxd3#
      • 1...Se7
        • 2.Kxb3#
      • 1...Bxe6!
  • Keys
    • 1.Se3!
      • threat
        • 2.Rd5#
      • 1...Bxe6
        • 2.Sxd3#
      • 1...Bf3
        • 2.Rf5#
      • 1...Sb4
        • 2.Kxb3#
      • 1...Se7
        • 2.Kxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(h);::B(B)+K(D),XP(a)
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(I)
      • Vars
        • S(h);N_GUARD,XS(G)::B(B)+K(D),XP(a)
        • B(e);S_CUTR(c)::S(G),XP(b)
        • S(h);N_GUARD::B(B)+K(D),XP(a)
      • Refutation
        • B(e);XP(H)
  • Actual
    • S(G);
    • Threat
      • R1(I)
    • Vars
      • B(e);SBLOCK,XP(H)::S(F),XP(b)
      • B(e);N_GUARD::R1(J)
      • S(h);::B(B)+K(D),XP(a)
      • S(h);N_GUARD::B(B)+K(D),XP(b)
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