MESON Chess Problem Database

Problem Display
PID: 273410 (Q6b/8/8/N1p1r3/2n3B1/3kr3/R3N3/1KB5 w - - 0 1)

Zaldo Zapirain, Juan

Probleemblad, 1952

Q6b/8/8/N1p1r3/2n3B1/3kr3/R3N3/1KB5

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Ra3#
    • 1...Sd2+
      • 2.Rxd2#
    • 1...Sa3+
      • 2.Rxa3#
    • 1...Sb6
      • 2.Rd2#
      • 2.Ra3#
    • 1...Sd6
      • 2.Rd2#
      • 2.Ra3#
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxc4#
      • 1...Ke4
        • 2.Qxc4#
      • 1...R3e4
        • 2.Ra3#
      • 1...R5e4
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(c);N_GUARD::R(C)
    • S(c);CHECK,N_GUARD::R1(C),XS(c)
    • S(c);CHECK,N_GUARD::R(C),XS(c)
  • Actual
    • Q(G);P_PINS(c)
    • Threat
      • QAB1(G),XS(c)
    • Vars
      • K(a);N_SPINS(c),S_FLIGHT::QAR2(G),XS(c)
      • R(b);SBLOCK::R(C)
      • R(e);SBLOCK::R1(C)
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Developed and maintained by Brian Stephenson.
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