MESON Chess Problem Database

Problem Display
PID: 103714 (3rNb2/2p1p1p1/Q5N1/2pkp2B/6P1/p2PRn2/K7/8 w - - 0 1)

Rowland, Thomas B

Glasgow Weekly Herald, 1884

3rNb2/2p1p1p1/Q5N1/2pkp2B/6P1/p2PRn2/K7/8

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Sxc7#
      • 2.Rxe5#
    • 1...c4
      • 2.Qxc4#
    • 1...c6
      • 2.Qc4#
  • Tries
    • 1.Rxe5+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Sxe5!
  • Keys
    • 1.Qa4!
      • 1...Ke6
        • 2.Sf4#
      • 1...Rxe8
        • 2.Qd7#
      • 1...c4
        • 2.Qxc4#
      • 1...Rd6
        • 2.Sxc7#
      • 1...Rd7
        • 2.Qxd7#
      • 1...Ra8
        • 2.Qd7#
      • 1...Rb8
        • 2.Qd7#
      • 1...Rc8
        • 2.Qd7#
      • 1...Se1
        • 2.Rxe5#
      • 1...Sg1
        • 2.Rxe5#
      • 1...Sd2
        • 2.Rxe5#
      • 1...Sh2
        • 2.Rxe5#
      • 1...Sd4
        • 2.Rxe5#
      • 1...Sh4
        • 2.Rxe5#
      • 1...Sg5
        • 2.Rxe5#
      • 1...e4
        • 2.Qxe4#
      • 1...c6
        • 2.Qc4#
      • 1...e6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
    • P(c);::QAB1(F),XP(c)
    • P(f);SBLOCK::QAB1(F)
  • Tries
    • Try
      • R(C);CHECK,XP(e)
      • Vars
        • K(d);P-FLIGHT::QAR1(F)
      • Refutation
        • S(b);XR(C)
  • Actual
    • Q(F);
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT::S(G)
      • R(i);N_GUARD,XS(H)::QAR2(F)
      • P(c);::QAB1(F),XP(c)
      • R(i);SBLOCK::S(H),XP(f)
      • R(i);N_GUARD::QAR2(F),XR(i)
      • R(i);N_GUARD::QAR2(F)
      • S(b);N_GUARD::R1(C),XP(e)
      • P(e);::QAB1(F),XP(e)
      • P(f);SBLOCK::QAB1(F)
      • P(g);SBLOCK::QAB1(F)
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