MESON Chess Problem Database

Problem Display
PID: 66618 (K7/2R5/p3p3/Bp2N2R/1N1knP2/r2b1pQp/2prnP2/7q w - - 0 1)

Neumann, Itzhak

1st Comm., Western Morning News, 1936

K7/2R5/p3p3/Bp2N2R/1N1knP2/r2b1pQp/2prnP2/7q

#2

9 + 13

5828 My Selected Chess Problems (Neumann) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Sxf3#
    • 1...Qb1
      • 2.Sxf3#
    • 1...Qc1
      • 2.Sxf3#
    • 1...Qd1
      • 2.Sxf3#
    • 1...Qe1
      • 2.Sxf3#
    • 1...Qf1
      • 2.Sxf3#
    • 1...Qg1
      • 2.Sxf3#
    • 1...Qh2
      • 2.Sxf3#
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Qe3#
      • 1...Qxf3
        • 2.Sxf3#
      • 1...Sxf2
        • 2.Bb6#
      • 1...Sc5
        • 2.Sbc6#
      • 1...Bc4
        • 2.Sec6#
      • 1...S4c3
        • 2.Bb6#
      • 1...S4g3
        • 2.Bb6#
      • 1...Sg5
        • 2.Bb6#
      • 1...Sd6
        • 2.Bb6#
      • 1...Sf6
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::S(F),XP(g)
  • Actual
    • Q(B);XP(g)
    • Threat
      • QAB1(B)
    • Vars
      • Q(a);XQ(B)::S(F),XQ(a)
      • S(j);N_GUARD,P_PINQ(B),XP(A)::B(E)
      • S(j);P_PINQ(B),SBLOCK::S(C)
      • B(f);SBLOCK::S(F)
      • S(j);N_GUARD,P_PINQ(B)::B(E)
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