MESON Chess Problem Database

Problem Display
PID: 110477 (1B1N4/1P3p1B/1rp5/3k1K2/N1pp1pp1/2b2P2/8/6Q1 w - - 0 1)

Bata, Lorinc

Fonyodi Jarasi TT, 1964-1965

1B1N4/1P3p1B/1rp5/3k1K2/N1pp1pp1/2b2P2/8/6Q1

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Sxc3#
      • 2.Sxb6#
      • 2.Qc5#
    • 1...c5
      • 2.Sxb6#
    • 1...f6
      • 2.Bg8#
  • Tries
    • 1.Kxf4?
      • threat
        • 2.Be4#
      • 1...f5
        • 2.Bg8#
      • 1...Bd2+!
    • 1.Bg8?
      • threat
        • 2.Bxf7#
      • 1...c5
        • 2.Sxb6#
      • 1...Rxb7!
    • 1.Qe1?
      • threat
        • 2.Qe4#
        • 2.Qe5#
      • 1...d3
        • 2.Qe4#
      • 1...f6
        • 2.Bg8#
        • 2.Qe4#
        • 2.Qe6#
      • 1...Bxe1!
  • Keys
    • 1.Kf6!
      • threat
        • 2.Be4#
      • 1...d3+
        • 2.Sxc3#
      • 1...c5+
        • 2.Sxb6#
      • 1...gxf3
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(h);SBLOCK::S(C),XR(g)
    • P(i);OGATEB::B(F)
  • Tries
    • Try
      • K(D);P-FLIGHT,XP(d)
      • Threat
        • B(F)
      • Vars
        • P(i);OGATEB::B(F)
      • Refutation
        • B(a);CHECK
    • Try
      • B(F);P_PINP(i)
      • Threat
        • B(F),XP(i)
      • Vars
        • P(h);SBLOCK::S(C),XR(g)
      • Refutation
        • R(g);XP(E)
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::QAB1(A)
      • Refutation
        • B(a);XQ(A)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • B(F)
    • Vars
      • P(c);CHECK,N_GUARD::S(C),XB(a)
      • P(h);CHECK,SBLOCK::S(C),XR(g)
      • P(e);OGATE,XP(B)::QAR(A)
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