MESON Chess Problem Database

Problem Display
PID: 108110 (4R1K1/5pP1/5k2/5N2/3p3P/4p3/1nB3R1/1Q1r4 w - - 0 1)

Garofalo, Antonio

Telescacco 92, 1998

4R1K1/5pP1/5k2/5N2/3p3P/4p3/1nB3R1/1Q1r4

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxe3?
      • threat
        • 2.Sg4#
        • 2.Sd5#
        • 2.Rf2#
      • 1...Rf1
        • 2.Sg4#
        • 2.Sd5#
        • 2.Qxf1#
      • 1...Rd2
        • 2.Sg4#
        • 2.Sd5#
      • 1...Rd3
        • 2.Qf1#
      • 1...Sd3
        • 2.Qb6#
      • 1...d3
        • 2.Qxb2#
      • 1...dxe3!
    • 1.Qa2?
      • threat
        • 2.Qxf7#
        • 2.Qa6#
      • 1...Rd3
        • 2.Qxf7#
      • 1...Sd3
        • 2.Qxf7#
      • 1...d3
        • 2.Qxf7#
      • 1...Ra1
        • 2.Qxf7#
      • 1...Sa4
        • 2.Qxf7#
      • 1...Sc4!
    • 1.Qxb2?
      • threat
        • 2.Qb6#
      • 1...Rb1
        • 2.Qxd4#
      • 1...Rd3!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Sg4#
      • 1...Rd3
        • 2.Qf1#
      • 1...Sd3
        • 2.Qb6#
      • 1...d3
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XP(c)
      • Threat
        • DUALS(3)
      • Vars
        • R(a);OGATE::QAR(A)
        • S(b);OGATE::QAR(A)
        • P(d);OGATEB::QAB(A),XS(b)
      • Refutation
        • P(d);XS(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);::QAR1(A),XP(f)
        • S(b);::QAR1(A),XP(f)
        • P(d);::QAR1(A),XP(f)
      • Refutation
        • S(b);
    • Try
      • Q(A);P_PINP(d),XS(b)
      • Threat
        • QAR(A)
      • Vars
        • R(a);N_GUARD::QAB(A),XP(d)
      • Refutation
        • R(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • R(a);OGATE::QAR(A)
      • S(b);OGATE::QAR(A)
      • P(d);OGATEB::QAB(A),XS(b)
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