MESON Chess Problem Database

Problem Display
PID: 107306 (8/5R1K/4B2b/1p1R4/1N2k3/2n2p2/2r5/B4N2 w - - 0 1)

Zilahi, Zoltan

La Scacchiera, 1951

8/5R1K/4B2b/1p1R4/1N2k3/2n2p2/2r5/B4N2

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sg3#
    • 1...Bf4
      • 2.Bf5#
    • 1...Sb1
      • 2.Re5#
    • 1...Sd1
      • 2.Re5#
    • 1...Sa2
      • 2.Re5#
    • 1...Se2
      • 2.Re5#
    • 1...Sa4
      • 2.Re5#
    • 1...Sxd5
      • 2.Bxd5#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Bxf3#
      • 1...Bf4
        • 2.Bf5#
      • 1...f2
        • 2.Bf3#
      • 1...Rf2!
    • 1.Rf4+?
      • 1...Bxf4
        • 2.Bf5#
      • 1...Kxf4!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sc5#
      • 1...Sxd5
        • 2.Bf5#
      • 1...Be3
        • 2.Sg3#
      • 1...Bf8
        • 2.Rf4#
      • 1...Sb1
        • 2.Rd4#
      • 1...Sd1
        • 2.Rd4#
      • 1...Sa2
        • 2.Rd4#
      • 1...Se2
        • 2.Sf2#
      • 1...Sa4
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(f);SBLOCK::S(B)
    • B(f);SBLOCK::B(E)
    • S(b);::R1(D)
    • S(b);OGATE,XR(D)::B(E),XS(b)
  • Tries
    • Try
      • B(E);
      • Threat
        • B(E),XP(c)
      • Vars
        • B(f);SBLOCK::B(E)
        • P(c);::B(E)
      • Refutation
        • R(a);
    • Try
      • R(F);CHECK
      • Vars
        • B(f);SBLOCK,XR(F)::B(E)
      • Refutation
        • K(d);P-FLIGHT,XR(F)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • S(b);SBLOCK,XR(D)::B(E)
      • B(f);SBLOCK::S(B)
      • B(f);N_GUARD::R1(F)
      • S(b);::R1(D)
      • S(b);S_CUTR(a)::S(C)
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