MESON Chess Problem Database

Problem Display
PID: 205819 (4r2B/3p1b2/3P1R2/1P3Q2/1NPk3p/2N1p2K/4P3/2R5 w - - 0 1)

Barry, Henry William

American Chess Bulletin, 1913

4r2B/3p1b2/3P1R2/1P3Q2/1NPk3p/2N1p2K/4P3/2R5

#2

11 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Qd5#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Bh5
      • 2.Qd5#
    • 1...Bg6
      • 2.Qd5#
  • Tries
    • 1.Re6+?
      • 1...Rxh8
        • 2.Re4#
        • 2.Qd5#
      • 1...Kxc4!
    • 1.Qd3+?
      • 1...Ke5
        • 2.Qe4#
        • 2.Qxe3#
      • 1...Kc5!
  • Keys
    • 1.Sa4!
      • 1...Rxh8
        • 2.Qf4#
      • 1...Bxc4
        • 2.Sc2#
      • 1...Re4
        • 2.Qc5#
      • 1...Re5
        • 2.Qd3#
      • 1...Re6
        • 2.Rxe6#
        • 2.Qd5#
      • 1...Re7
        • 2.Re6#
      • 1...Ra8
        • 2.Qf4#
      • 1...Rb8
        • 2.Qf4#
      • 1...Rc8
        • 2.Qf4#
      • 1...Rd8
        • 2.Qf4#
      • 1...Rf8
        • 2.Qf4#
      • 1...Rg8
        • 2.Qf4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bh5
        • 2.Qd5#
      • 1...Be6
        • 2.Rf8#
      • 1...Bg6
        • 2.Qd5#
      • 1...Bg8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 1
  • Sets
    • R(f);S_CUTB(e)::QAR1(H)
    • B(e);N_GUARD::QAR1(H),XB(e)
    • B(e);N_GUARD::QAR1(H)
  • Tries
    • Try
      • R(J);CHECK
      • Refutation
        • K(b);P-FLIGHT,XP(F)
    • Try
      • Q(H);CHECK
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • R(f);N_GUARD,XB(K)::QAR2(H)
      • B(e);SBLOCK,XP(F)::S(E)
      • R(f);SBLOCK::QAB1(H)
      • R(f);SBLOCK::QAR1(H)
      • R(f);N_GUARD::B(K)+R(J)
      • R(f);N_GUARD::QAR2(H)
      • B(e);N_GUARD::QAR1(H),XB(e)
      • B(e);N_GUARD::QAR1(H)
      • B(e);OGATE,P_PINQ(H)::B(K)+R(J)
      • B(e);S_CUTR(f)::B(K)+R(J)
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