MESON Chess Problem Database

Problem Display
PID: 147795 (3NrBB1/5n1R/2p1qR2/2pkP2Q/4p2N/1PP5/7b/1K6 w - - 0 1)

Hochberger, Adolf

L'Italia Scacchistica, 1930

3NrBB1/5n1R/2p1qR2/2pkP2Q/4p2N/1PP5/7b/1K6

#2

11 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Rd6#
    • 1...Qg4
      • 2.Rd6#
    • 1...Qc8
      • 2.Rd6#
    • 1...Qxe5
      • 2.Rd6#
    • 1...Qd6
      • 2.Rxd6#
    • 1...Sxe5
      • 2.Rd7#
    • 1...Sh6
      • 2.Rd7#
    • 1...Sxd8
      • 2.Rd7#
    • 1...Sh8
      • 2.Rd7#
  • Keys
    • 1.Sg6!
      • threat
        • 2.Qd1#
      • 1...Qxe5
        • 2.Rd6#
      • 1...Bxe5
        • 2.Sf4#
      • 1...Sxe5
        • 2.Rd7#
      • 1...e3
        • 2.Qf3#
      • 1...Qh3
        • 2.Rd6#
      • 1...Qg4
        • 2.Rd6#
      • 1...Bg1
        • 2.Sf4#
      • 1...Bf4
        • 2.Sxf4#

This is a version of 147685

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • Q(f);OGATE,P_SPINS(g)::R1(G)
    • Q(f);OGATE,P_SPINQ(f),P_SPINS(g),XP(E)::R1(G)
    • Q(f);OGATE,P_SPINS(g)::R1(G),XQ(f)
    • S(g);OGATE,P_SPINQ(f),P_SPINS(g),XP(E)::R(H)
    • S(g);OGATE,P_SPINQ(f)::R(H)
    • S(g);OGATE,P_SPINQ(f),XS(I)::R(H)
  • Actual
    • S(D);
    • Threat
      • QAR(F)
    • Vars
      • Q(f);OGATE,P_SPINQ(f),P_SPINS(g),XP(E)::R1(G)
      • B(a);N_GUARD,P_SPINB(a),XP(E)::S(D)
      • S(g);OGATE,P_SPINQ(f),P_SPINS(g),XP(E)::R(H)
      • P(b);OGATEB::QAB(F)
      • Q(f);OGATE,P_SPINS(g)::R1(G)
      • B(a);N_GUARD::S(D)
      • B(a);N_GUARD::S(D),XB(a)
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Developed and maintained by Brian Stephenson.
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