MESON Chess Problem Database

Problem Display
PID: 110474 (1B4B1/8/3rr3/3NP3/1P1k4/1QN5/P4P2/5K2 w - - 0 1)

Rago, Istvan Stefano

Fonyodi Jarasi TT, 1964-1965

1B4B1/8/3rr3/3NP3/1P1k4/1QN5/P4P2/5K2

#2

10 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Kxe5
        • 2.Qe4#
        • 2.Qf4#
      • 1...Kxc4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qe4#
      • 1...Kc4
        • 2.Qe4#
      • 1...Kxe5
        • 2.Qe4#
      • 1...Rxd5
        • 2.Se2#
      • 1...Rxe5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);P-FLIGHT::QAR2(D)
      • K(a);P_SPINR(b),S_FLIGHT,XP(H)::QAR1(D)
      • R(b);SBLOCK,XS(G)::S(E)
      • R(c);SBLOCK,XP(H)::S(E)
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