MESON Chess Problem Database

Problem Display
PID: 104296 (8/p3p3/B2prp2/3Nbp2/2r2p2/N2k1P2/1np2Q2/2K2n2 w - - 0 1)

Bartolovic, Hrvoje

Zivkovic MT, 1954

8/p3p3/B2prp2/3Nbp2/2r2p2/N2k1P2/1np2Q2/2K2n2

#2

6 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Sxf4#
    • 1...Bd4
      • 2.Qxc2#
    • 1...Sd2
      • 2.Qxd2#
    • 1...Sh2
      • 2.Qd2#
    • 1...Se3
      • 2.Qd2#
    • 1...Sg3
      • 2.Qd2#
    • 1...Sd1
      • 2.Bxc4#
    • 1...Sa4
      • 2.Bxc4#
  • Tries
    • 1.Sxc2?
      • threat
        • 2.Qxf1#
      • 1...Bc3
        • 2.Sxf4#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sh2
        • 2.Qd2#
      • 1...Se3
        • 2.Qd2#
      • 1...Sg3
        • 2.Qd2#
      • 1...Bd4!
    • 1.Sxc4?
      • threat
        • 2.Sxb2#
        • 2.Sxe5#
      • 1...Se3
        • 2.Qd2#
      • 1...Bc3
        • 2.Sxb2#
        • 2.Se5#
        • 2.Sxf4#
      • 1...Bd4
        • 2.Sxb2#
        • 2.Se5#
        • 2.Qxc2#
      • 1...Sd1
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sa5#
        • 2.Sxe5#
        • 2.Scb6#
        • 2.Sxd6#
      • 1...Sa4
        • 2.Sb2#
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sa5#
        • 2.Sxe5#
        • 2.Scb6#
        • 2.Sxd6#
      • 1...Sxc4!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Qxf1#
      • 1...Re4
        • 2.Qxc2#
      • 1...Bc3
        • 2.Qxc2#
      • 1...Bd4
        • 2.Sxf4#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sh2
        • 2.Qd2#
      • 1...Se3
        • 2.Qd2#
      • 1...Sg3
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD,SBLOCK::S(E),XP(f)
    • B(g);SBLOCK::QAB1(B),XP(c)
    • S(a);N_GUARD::QAR1(B),XS(a)
    • S(a);N_GUARD::QAR1(B)
    • S(b);N_GUARD::B(F),XR(e)
  • Tries
    • Try
      • S(C);P_SPINS(C),XP(c)
      • Threat
        • QAB(B),XS(a)
      • Vars
        • B(g);N_GUARD,N_PINS(C),SBLOCK::S(E),XP(f)
        • S(a);N_GUARD::QAR1(B),XS(a)
        • S(a);N_GUARD::QAR1(B)
      • Refutation
        • B(g);
    • Try
      • S(C);XR(e)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);N_GUARD::QAR1(B)
      • Refutation
        • S(b);P_SPINS(b),XS(C)
  • Actual
    • S(C);N_PINR(e)
    • Threat
      • QAB(B),XS(a)
    • Vars
      • R(e);N_GUARD::QAB1(B),XP(c)
      • B(g);S_CUTR(e)::QAB1(B),XP(c)
      • B(g);N_GUARD,S_CUTR(e)::S(E),XP(f)
      • S(a);N_GUARD::QAR1(B),XS(a)
      • S(a);N_GUARD::QAR1(B)
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