MESON Chess Problem Database

Problem Display
PID: 16746 (Q3R1b1/8/4n2r/N2N2P1/3k1p2/3P4/3K2B1/1R6 w - - 0 1)

Kiss, Janos

1st Prize, Tidskrift for Schack, 1942

Q3R1b1/8/4n2r/N2N2P1/3k1p2/3P4/3K2B1/1R6

#2

9 + 5

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Rb4#
    • 1...Sxg5
      • 2.Sb3#
    • 1...Sc7
      • 2.Sb3#
    • 1...Sg7
      • 2.Sb3#
    • 1...Sd8
      • 2.Sb3#
    • 1...Sf8
      • 2.Sb3#
  • Tries
    • 1.Rb4+?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5!
    • 1.Rb5?
      • threat
        • 2.Sc6#
      • 1...Sxg5
        • 2.Sb3#
      • 1...Sc7
        • 2.Sb3#
        • 2.Re4#
      • 1...Sc5
        • 2.Rb4#
      • 1...Sg7
        • 2.Sb3#
        • 2.Re4#
      • 1...Sd8
        • 2.Sb3#
        • 2.Re4#
      • 1...Sf8
        • 2.Sb3#
        • 2.Re4#
      • 1...Ke5!
    • 1.Qa7+?
      • 1...Sc5
        • 2.Sb3#
        • 2.Rb4#
      • 1...Ke5!
    • 1.Qb8?
      • threat
        • 2.Sb3#
      • 1...Kc5
        • 2.Qb4#
        • 2.Qb6#
      • 1...Sc5
        • 2.Rb4#
        • 2.Qe5#
        • 2.Qb2#
        • 2.Qb4#
      • 1...f3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...Ke5
        • 2.Qd5#
      • 1...Sxg5
        • 2.Qa7#
      • 1...Sc5
        • 2.Sc6#
      • 1...Sc7
        • 2.Qa7#
      • 1...Sg7
        • 2.Qa7#
      • 1...Sd8
        • 2.Qa7#
      • 1...Sf8
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::R(A)
    • S(c);XP(G)::S(E)
    • S(c);::S(E)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(H)
      • Refutation
        • K(a);P_SPINS(c),S_FLIGHT
    • Try
      • R(A);
      • Threat
        • S(E)
      • Vars
        • S(c);XP(G)::S(E)
        • S(c);SBLOCK::R(A)
      • Refutation
        • K(a);P_SPINS(c),S_FLIGHT
    • Try
      • Q(H);CHECK
      • Refutation
        • K(a);P_SPINS(c),S_FLIGHT
    • Try
      • Q(H);
      • Threat
        • S(E)
      • Refutation
        • P(b);
  • Actual
    • S(F);
    • Threat
      • QAR1(H)
    • Vars
      • K(a);S_FLIGHT::QAR1(H)
      • K(a);P_SPINS(c),S_FLIGHT::QAR1(H)
      • S(c);N_GUARD,XP(G)::QAB(H)
      • S(c);SBLOCK::S(E)
      • S(c);N_GUARD::QAB(H)
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