MESON Chess Problem Database

Problem Display
PID: 144530 (7b/p7/6Qp/1R6/2pk3r/R6n/2P4N/NK2n2b w - - 0 1)

Bundick, George E

Prize, American Chess Bulletin, 1914

7b/p7/6Qp/1R6/2pk3r/R6n/2P4N/NK2n2b

#2

7 + 9

14967 British Chess Magazine Chess Annual 1915 1915

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qd6#
    • 1...Sxc2
      • 2.Sxc2#
    • 1...Sg2
      • 2.Sf3#
  • Tries
    • 1.Qb6+?
      • 1...Ke4
        • 2.Qe3#
      • 1...axb6!
    • 1.Qd6+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...Ke4!
    • 1.Qe6?
      • threat
        • 2.Qe3#
      • 1...Sxc2
        • 2.Sxc2#
      • 1...Be5
        • 2.Qxe5#
      • 1...Re4
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qd7#
        • 2.Qd6#
      • 1...Sg2
        • 2.Sf3#
        • 2.Rd5#
        • 2.Qd5#
      • 1...Sd3
        • 2.c3#
      • 1...c3
        • 2.Sb3#
        • 2.Ra4#
      • 1...Be4!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qe3#
      • 1...Sxc2
        • 2.Sxc2#
      • 1...Be5
        • 2.Qxe5#
      • 1...c3
        • 2.Ra4#
      • 1...Be4
        • 2.Qxh8#
      • 1...Re4
        • 2.Qd7#
        • 2.Qd8#
      • 1...Sg2
        • 2.Sf3#
      • 1...Sd3
        • 2.c3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(f);SBLOCK,S_CUTB(b)::QAR2(G)
    • S(a);XP(C)::S(A),XS(a)
    • S(a);N_GUARD,S_CUTB(b)::S(D)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(e);OGATE,P-FLIGHT::QAR1(G)
      • Refutation
        • P(h);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::QAR1(G),XB(b)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • S(a);XP(C)::S(A),XS(a)
        • B(i);N_GUARD::QAB1(G),XB(i)
        • S(a);SBLOCK::P(C)
      • Refutation
        • B(b);P_PINP(C)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • S(a);XP(C)::S(A),XS(a)
      • B(i);N_GUARD::QAB1(G),XB(i)
      • P(d);OGATEB,SBLOCK::R(E)
      • B(b);P_PINP(C),SBLOCK::QAB(G),XB(i)
      • S(a);N_GUARD,S_CUTB(b)::S(D)
      • S(a);SBLOCK::P(C)
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