MESON Chess Problem Database

Problem Display
PID: 107703 (7K/1Np5/1np1p2R/BpQpkp2/1nb1P2R/2b5/3N3p/7q w - - 0 1)

Battaglia, Emilio

Northwest Chess, 1979

7K/1Np5/1np1p2R/BpQpkp2/1nb1P2R/2b5/3N3p/7q

#2

8 + 13

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Sxf3#
    • 1...Qa1
      • 2.Sf3#
    • 1...Qb1
      • 2.Sf3#
    • 1...Qc1
      • 2.Sf3#
    • 1...Qe1
      • 2.Sf3#
    • 1...Qg1
      • 2.Sf3#
    • 1...Sd3
      • 2.Bxc3#
    • 1...Sa6
      • 2.Bxc3#
    • 1...Sa4
      • 2.Bxc7#
    • 1...Sd7
      • 2.Bxc7#
    • 1...f4
      • 2.R4h5#
  • Keys
    • 1.exd5!
      • threat
        • 2.Rxe6#
      • 1...Qxd5
        • 2.Sf3#
      • 1...Bxd5
        • 2.Qxc3#
      • 1...S4xd5
        • 2.Bxc3#
      • 1...S6xd5
        • 2.Bxc7#
      • 1...cxd5
        • 2.Qxc7#
      • 1...exd5
        • 2.Qe7#
      • 1...f4
        • 2.R4h5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 10
  • Sets
    • Q(a);N_GUARD::S(A),XQ(a)
    • Q(a);N_GUARD::S(A)
    • S(d);OGATE::B(D),XB(c)
    • S(j);OGATE::B(D),XP(m)
    • P(i);OGATEB,SBLOCK::R(C)
  • Actual
    • P(B);XP(g)
    • Threat
      • R1(F),XP(l)
    • Vars
      • Q(a);N_GUARD,P_SPINQ(a),XP(B)::S(A)
      • B(e);OGATE,P_SPINB(e),SBLOCK,XP(B)::QAB(E),XB(c)
      • S(d);OGATE,P_SPINS(d),XP(B)::B(D),XB(c)
      • S(j);OGATE,P_SPINS(j),XP(B)::B(D),XP(m)
      • P(k);OGATE,P_SPINP(k),SBLOCK,XP(B)::QAB(E),XP(m)
      • P(l);OGATEB,P_SPINP(l),SBLOCK,XP(B)::QAR2(E)
      • P(i);OGATEB,SBLOCK::R(C)
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