MESON Chess Problem Database

Problem Display
PID: 104502 (7b/1pp5/R3p2p/Ppk2n1P/Pr3QK1/BP1ppB2/nNb1N3/8 w - - 0 1)

Nesic, Milivoj S

Scacchi e Scienze Applicate TT, 1984

7b/1pp5/R3p2p/Ppk2n1P/Pr3QK1/BP1ppB2/nNb1N3/8

#2

11 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sxd3#
    • 1...Bxb3
      • 2.Sxd3#
    • 1...Bd4
      • 2.Qxc7#
    • 1...Sc1
      • 2.Bxb4#
      • 2.Qxb4#
    • 1...Sc3
      • 2.Bxb4#
      • 2.Qxb4#
    • 1...Sd4
      • 2.Qf8#
    • 1...Sg7
      • 2.Qd4#
    • 1...bxa4
      • 2.Qc4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sxe6#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Bxd4
        • 2.Qxc7#
      • 1...Sxd4
        • 2.Qf8#
      • 1...bxa4
        • 2.Sxa4#
      • 1...Sg7
        • 2.Qe5#
      • 1...e5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(A),XP(c)
    • B(b);N_GUARD,XP(D)::S(A),XP(c)
    • B(m);N_PINQ(G)::QAR2(G),XP(l)
    • S(h);N_PINQ(G)::QAB(G)
    • S(h);N_GUARD,S_CUTB(m)::QAB1(G)
    • P(f);N_GUARD,XP(F)::QAR1(G)
  • Actual
    • S(B);N_SPINQ(G)
    • Threat
      • S(B),XP(i)
    • Vars
      • B(b);XP(D)::S(B),XB(b)
      • B(m);SBLOCK,XS(B)::QAR2(G),XP(l)
      • S(h);OGATE,SBLOCK,XS(B)::QAB(G)
      • P(f);XP(F)::S(A),XP(f)
      • S(h);S_CUTB(m)::QAR2(G)
      • P(i);::S(B)
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