MESON Chess Problem Database

Problem Display
PID: 101526 (8/K5p1/3p1n2/2kP1P2/Q7/3P4/1P1nP3/4b2q w - - 0 1)

Guidelli, Giorgio

Good Companions (July), 1917

8/K5p1/3p1n2/2kP1P2/Q7/3P4/1P1nP3/4b2q

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Qc4#
    • 1...Sf1
      • 2.Qc4#
    • 1...Sb3
      • 2.Qc4#
    • 1...Sf3
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sde4
      • 2.Qc4#
    • 1...Sxd5
      • 2.d4#
  • Keys
    • 1.e3!
      • threat
        • 2.Qa5#
      • 1...Kxd5
        • 2.Qb5#
      • 1...Qxd5
        • 2.b4#
      • 1...Sxd5
        • 2.d4#
      • 1...Sb1
        • 2.Qc4#
      • 1...Sf1
        • 2.Qc4#
      • 1...Sb3
        • 2.Qc4#
      • 1...Sf3
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sde4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD::QAR1(D)
    • S(c);N_GUARD::QAR1(D),XS(c)
    • S(f);SBLOCK,XP(E)::P(C)
  • Actual
    • P(B);
    • Threat
      • QAR2(D)
    • Vars
      • K(d);P-FLIGHT,XP(E)::QAR2(D)
      • Q(b);SBLOCK,XP(E)::P(A)
      • S(f);SBLOCK,XP(E)::P(C)
      • S(c);N_GUARD::QAR1(D)
      • S(c);N_GUARD::QAR1(D),XS(c)
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