MESON Chess Problem Database

Problem Display
PID: 224439 (2R5/2KP4/3Q4/1qN1p3/P1k5/p7/2BB4/2nN1n2 w - - 0 1)

Anonymous

Wilkes-Barre Record, 1888

(First published on Thu Nov 29 1888)

2R5/2KP4/3Q4/1qN1p3/P1k5/p7/2BB4/2nN1n2

#2

9 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sa2
      • 2.Bd3#
    • 1...Se2
      • 2.Bd3#
    • 1...Sb3
      • 2.Bd3#
    • 1...Sd3
      • 2.Bxd3#
    • 1...Sh2
      • 2.Se3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sg3
      • 2.Se3#
  • Keys
    • 1.Sb3!
      • 1...Qc6+
        • 2.Qxc6#
      • 1...Qxd7+
        • 2.Kxd7#
      • 1...Qa5+
        • 2.Sxa5#
      • 1...Qc5+
        • 2.Qxc5#
      • 1...Qb6+
        • 2.Kxb6#
      • 1...Qb7+
        • 2.Kxb7#
      • 1...Qb8+
        • 2.Kxb8#
      • 1...Qxa4
        • 2.Qc5#
      • 1...Qxb3
        • 2.Kd8#
      • 1...Sxb3
        • 2.Bd3#
      • 1...Sxd2
        • 2.Sxd2#
      • 1...Qa6
        • 2.Qc5#
      • 1...Qb4
        • 2.Qe6#
      • 1...Qd5
        • 2.Qb4#
      • 1...Sa2
        • 2.Qd3#
      • 1...Se2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sh2
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sg3
        • 2.Se3#
      • 1...a2
        • 2.Sb2#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(B)
    • S(a);N_GUARD::B(B),XS(a)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
  • Actual
    • S(E);
    • Vars
      • Q(e);CHECK,N_GUARD::QAR2(F),XQ(e)
      • Q(e);CHECK,XP(H)::R(I)+K(G),XQ(e)
      • Q(e);CHECK,N_GUARD::S(E),XQ(e)
      • Q(e);CHECK,N_GUARD::QAR1(F),XQ(e)
      • Q(e);CHECK::R(I)+K(G),XQ(e)
      • Q(e);N_GUARD,XP(D)::QAR1(F)
      • Q(e);N_GUARD,XS(E)::R(I)+K(G)
      • S(a);N_GUARD,SBLOCK,XS(E)::B(B)
      • S(b);XB(C)::S(E),XS(b)
      • Q(e);N_GUARD::QAR1(F)
      • Q(e);N_GUARD::QAB(F)
      • Q(e);N_GUARD,SBLOCK::QAR1(F)
      • S(a);N_GUARD::QAB1(F)
      • S(a);N_GUARD::QAB1(F),XS(a)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
      • P(c);N_GUARD::S(A)
      • P(f);N_GUARD::QAR1(F)
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