MESON Chess Problem Database

Problem Display
PID: 89288 (3N2K1/5Pp1/2p1p3/2BNkp2/Rn3n1R/qPb5/2Q3b1/6rB w - - 0 1)

Velimirovic, Milan

The Problemist, 1976

3N2K1/5Pp1/2p1p3/2BNkp2/Rn3n1R/qPb5/2Q3b1/6rB

#2

10 + 11

56 The Problemist 1980
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qxc3#
    • 1...Bh3
      • 2.Qxc3#
    • 1...Bxd5
      • 2.Qxc3#
  • Tries
    • 1.Qxc3+?
      • 1...Kxd5
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.f8Q!
      • threat
        • 2.Qd6#
      • 1...Kxd5
        • 2.Qd6#
      • 1...Bxd5
        • 2.Qxc3#
      • 1...Sbxd5
        • 2.Sxc6#
      • 1...Sfxd5
        • 2.Bd6#
      • 1...cxd5
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(b);::QAB(B),XB(d)
    • B(b);XS(G)::QAB(B),XB(d)
  • Tries
    • Try
      • Q(B);CHECK,XB(d)
      • Vars
        • K(g);P-FLIGHT,P_SPINB(b),XS(G)::QAR1(B)
      • Refutation
        • K(g);P-FLIGHT,P_SPINB(b),P_SPINS(e)
  • Actual
    • P(H);
    • Threat
      • QAB1(H)
    • Vars
      • K(g);P-FLIGHT,P_SPINB(b),XS(G)::QAR1(H)
      • B(b);XS(G)::QAB(B),XB(d)
      • S(e);N_GUARD,SBLOCK,XS(G)::S(I),XP(i)
      • S(f);SBLOCK,XS(G)::B(F)
      • P(i);SBLOCK,XS(G)::QAB(H),XP(k)
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