MESON Chess Problem Database

Problem Display
PID: 6378 (6r1/1p1R1p1b/R2N2kP/Q4N2/5P2/8/7b/1K6 w - - 0 1)

Mari, Alberto

1st Prize, Bristol Times and Mirror, 1929

6r1/1p1R1p1b/R2N2kP/Q4N2/5P2/8/7b/1K6

#2

8 + 6

35 L'Italia Scacchistica 1930
268 Chess Life 1953
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Se4#
      • 2.Sxb7#
      • 2.Se8#
  • Tries
    • 1.Sh4+?
      • 1...Kf6+
        • 2.Se4#
      • 1...Kxh6+!
    • 1.Se7+?
      • 1...Kf6+
        • 2.Se4#
      • 1...Kxh6+!
    • 1.Sg7?
      • threat
        • 2.Qg5#
      • 1...Kf6+
        • 2.Se4#
      • 1...Kxh6+
        • 2.Sdf5#
      • 1...b5
        • 2.Sxf7#
      • 1...f5
        • 2.Sxb7#
      • 1...f6
        • 2.Qh5#
      • 1...Bxf4!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qg5#
      • 1...Kf6+
        • 2.Sde4#
      • 1...Kxh6+
        • 2.Sdf5#
      • 1...b5
        • 2.Sxf7#
      • 1...f5
        • 2.Sxb7#
      • 1...f6
        • 2.Qh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT::R(E)+S(F),DCHECK
      • Refutation
        • K(b);CHECK,P-FLIGHT,XP(G)
    • Try
      • S(D);CHECK
      • Vars
        • K(b);CHECK,P-FLIGHT::R(E)+S(F),DCHECK
      • Refutation
        • K(b);CHECK,P-FLIGHT,XP(G)
    • Try
      • S(D);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);CHECK,P-FLIGHT::R(E)+S(F),DCHECK
        • K(b);CHECK,P-FLIGHT,XP(G)::R(E)+S(F),DCHECK
        • P(c);N_GUARD::R(E)+S(F),XP(d)
        • P(d);N_GUARD::R(E)+S(F),XP(c)
        • P(d);SBLOCK::QAB1(C)
      • Refutation
        • B(a);XP(B)
  • Actual
    • S(D);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);CHECK,P-FLIGHT::R(E)+S(F),DCHECK
      • K(b);CHECK,P-FLIGHT,XP(G)::R(E)+S(F),DCHECK
      • P(c);N_GUARD::R(E)+S(F),XP(d)
      • P(d);N_GUARD::R(E)+S(F),XP(c)
      • P(d);SBLOCK::QAB1(C)
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