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Problem Display

PID: 9802 (1K6/6p1/1p1R1p2/1P3R2/B3k1NN/2P1b1P1/3n4/1b6 w - - 0 1)

Browne, Gordon

Birmingham Daily Post, 1910

1K6/6p1/1p1R1p2/1P3R2/B3k1NN/2P1b1P1/3n4/1b6

#2

9 + 7

SOLUTION

SOUND
Sets
- 1...Ba2
  - 2.Bc2#
- 1...Bc2
  - 2.Bxc2#
- 1...Bd3
  - 2.Re6#
- 1...Bg1
  - 2.Rf4#
- 1...Bf2
  - 2.Rf4#
- 1...Bd4
  - 2.Rxd4#
- 1...Bf4
  - 2.Rxf4#
- 1...Bc5
  - 2.Rf4#
- 1...Bg5
  - 2.Rd4#
- 1...Bh6
  - 2.Rd4#
- 1...g5
  - 2.Sxf6#
- 1...g6
  - 2.Sxf6#
Keys
- 1.Bd1!
  - 1...Bd4
    - 2.Rxd4#
  - 1...Sf1
    - 2.Bf3#
  - 1...Ba2
    - 2.Bc2#
  - 1...Bc2
    - 2.Bxc2#
  - 1...Bd3
    - 2.Re6#
  - 1...Bg1
    - 2.Rf4#
  - 1...Bf2
    - 2.Rf4#
  - 1...Bf4
    - 2.Rxf4#
  - 1...Bc5
    - 2.Rf4#
  - 1...Bg5
    - 2.Rd4#
  - 1...Bh6
    - 2.Rd4#
  - 1...Sb3
    - 2.Bf3#
  - 1...Sf3
    - 2.Bxf3#
  - 1...Sc4
    - 2.Bf3#
  - 1...g5
    - 2.Sxf6#
  - 1...g6
    - 2.Sxf6#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
Sets
- B(a);N_GUARD::B(C)
- B(a);N_GUARD::B(C),XB(a)
- B(a);SBLOCK::R(H)
- B(c);N_GUARD::R1(G)
- B(c);N_GUARD::R1(H),XB(c)
- B(c);N_GUARD,P_PINR(H)::R1(G),XB(c)
- B(c);N_GUARD::R1(H)
- P(g);N_GUARD::S(D),XP(f)
Actual
- B(C);
- Vars
  - B(c);N_GUARD::R1(H),XB(c)
  - S(b);N_GUARD::B(C)
  - B(a);N_GUARD::B(C)
  - B(a);N_GUARD::B(C),XB(a)
  - B(a);SBLOCK::R(H)
  - B(c);N_GUARD::R1(G)
  - B(c);N_GUARD,P_PINR(H)::R1(G),XB(c)
  - B(c);N_GUARD::R1(H)
  - S(b);N_GUARD::B(C),XS(b)
  - P(g);N_GUARD::S(D),XP(f)

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).