MESON Chess Problem Database

Problem Display
PID: 93781 (8/2Q3pB/6r1/2P3P1/3kP3/N7/1Pp1P3/2B1KN2 w - - 0 1)

Jancek, Jan

Sachove umeni (Ceskoslovensky sach), 1954

8/2Q3pB/6r1/2P3P1/3kP3/N7/1Pp1P3/2B1KN2

#2

11 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg5
      • 2.Be3#
    • 1...Ra6
      • 2.Be3#
    • 1...Rb6
      • 2.Be3#
    • 1...Rc6
      • 2.Be3#
    • 1...Rd6
      • 2.Qxd6#
    • 1...Re6
      • 2.Be3#
    • 1...Rf6
      • 2.Be3#
    • 1...Rh6
      • 2.Be3#
  • Tries
    • 1.Qd6+?
      • 1...Kxe4
        • 2.Sg3#
        • 2.Bxg6#
      • 1...Rxd6!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sxc2#
      • 1...Ke3
        • 2.Sxc2#
      • 1...Rc6
        • 2.Sb3#
      • 1...Rd6
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(c);XP(I)::B(A)
    • R(c);::B(A)
    • R(c);N_GUARD::QAR2(J),XR(c)
  • Tries
    • Try
      • Q(J);CHECK
      • Refutation
        • R(c);XQ(J)
  • Actual
    • S(C);
    • Threat
      • S(F),XP(a)
    • Vars
      • K(b);S_FLIGHT::S(F),XP(a)
      • R(c);::S(C)
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