MESON Chess Problem Database

Problem Display
PID: 225507 (8/5K2/4B2B/1N2k2n/p3p2p/r2pRp1r/n3P3/b3N3 w - - 0 1)

Hernitz, Zvonimir

Praca, 1957

8/5K2/4B2B/1N2k2n/p3p2p/r2pRp1r/n3P3/b3N3

#2

7 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sxf3#
    • 1...Rh2
      • 2.Sxf3#
    • 1...Bc3
      • 2.Sxd3#
    • 1...Sc3
      • 2.Sxd3#
    • 1...Sg3
      • 2.Sxf3#
    • 1...Sf4
      • 2.Bg7#
  • Tries
    • 1.exd3?
      • threat
        • 2.Rxe4#
      • 1...Rxd3
        • 2.Sxd3#
      • 1...Sc3
        • 2.d4#
      • 1...Sg3
        • 2.Sxf3#
      • 1...Sf6!
  • Keys
    • 1.exf3!
      • threat
        • 2.Rxe4#
      • 1...Rxf3+
        • 2.Sxf3#
      • 1...Sf6
        • 2.f4#
      • 1...Sc3
        • 2.Sxd3#
      • 1...Sg3
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(f);N_GUARD::S(A),XP(e)
    • B(a);S_CUTR(c)::S(A),XP(d)
    • S(b);S_CUTR(c)::S(A),XP(d)
    • S(k);S_CUTR(f)::S(A),XP(e)
    • S(k);N_GUARD,SBLOCK::B(F)
  • Tries
    • Try
      • P(B);XP(d)
      • Threat
        • R1(C),XP(h)
      • Vars
        • R(c);XP(B)::S(A),XR(c)
        • S(b);S_CUTB(a)::P(B)
        • S(k);S_CUTR(f)::S(A),XP(e)
      • Refutation
        • S(k);
  • Actual
    • P(B);XP(e)
    • Threat
      • R1(C),XP(h)
    • Vars
      • R(f);CHECK,XP(B)::S(A),XR(f)
      • S(k);N_GUARD::P(B)
      • S(b);S_CUTR(c)::S(A),XP(d)
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