MESON Chess Problem Database

Problem Display
PID: 124218 (2B3R1/1N1rk3/1n6/8/6nK/5Q2/8/8 w - - 0 1)

Mach, Julius Zdenek

Besedy lidu, 1901

2B3R1/1N1rk3/1n6/8/6nK/5Q2/8/8

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Re8#
    • 1...Rd1
      • 2.Qf8#
    • 1...Rd2
      • 2.Qf8#
    • 1...Rd3
      • 2.Qf8#
    • 1...Rd4
      • 2.Qf8#
    • 1...Rd5
      • 2.Qf8#
    • 1...Rd6
      • 2.Qf8#
    • 1...Rxb7
      • 2.Qf8#
    • 1...Rc7
      • 2.Qf8#
  • Keys
    • 1.Rf8!
      • threat
        • 2.Qf7#
      • 1...Ke6
        • 2.Re8#
      • 1...Rxb7
        • 2.Qa3#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Se5
        • 2.Qf6#
      • 1...Sh6
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • K(d);P-FLIGHT,P_SPINR(c)::R(E)
    • R(c);::QAB1(A)
    • R(c);XS(C)::QAB1(A)
  • Actual
    • R(E);
    • Threat
      • QAR1(A)
    • Vars
      • K(d);P-FLIGHT,P_SPINR(c)::R(E)
      • R(c);N_GUARD,XS(C)::QAB(A)
      • S(a);N_GUARD::QAB1(A),XS(a)
      • S(a);N_GUARD::QAB1(A)
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