MESON Chess Problem Database
Problem Display
PID: 168473 (2r5/b7/7R/1BNk3K/1B5R/5N2/8/3r1b2 w - - 0 1)
Petite, Efren
2nd HM., Schach Journal, 1956
#2
7 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Rd4#
- 1...Rb1
- 2.Rd4#
- 1...Rc1
- 2.Rd4#
- 1...Re1
- 2.Rd4#
- 1...Rd3
- 2.Bc4#
- 1...Rd4
- 2.Rxd4#
- 1...Rc6
- 2.Bxc6#
- 1...Ra8
- 2.Bc6#
- 1...Rb8
- 2.Bc6#
- 1...Rd8
- 2.Bc6#
- 1...Re8
- 2.Bc6#
- 1...Rf8
- 2.Bc6#
- 1...Rg8
- 2.Bc6#
- 1...Rh8
- 2.Bc6#
- 1...Bg2
- 2.Bc4#
- 1...Bd3
- 2.Rd4#
- 1...Bh3
- 2.Bc4#
- 1...Bc4
- 2.Bxc4#
- 1...Ra1
- Tries
- 1.Sa4?
- threat
- 2.Rd6#
- 1...Rc6
- 2.Bxc6#
- 1...Rd8
- 2.Sc3#
- 2.Bc6#
- 1...Rh8
- 2.Sc3#
- 2.Bc6#
- 1...Bc5
- 2.Sc3#
- 1...Bb8
- 2.Sb6#
- 1...Rc5!
- threat
- 1.Sa4?
- Keys
- 1.Sd3!
- threat
- 2.Rd6#
- 1...Rc5
- 2.Rd4#
- 1...Rc6
- 2.Bxc6#
- 1...Rd8
- 2.Bc4#
- 2.Bc6#
- 1...Rh8
- 2.Bc4#
- 2.Bc6#
- 1...Bc5
- 2.Bc4#
- 1...Bb8
- 2.Rd4#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 17
- Sets
- R(a);N_GUARD::R1(C)
- R(a);S_CUTB(b)::B(D)
- R(a);N_GUARD::R1(C),XR(a)
- R(e);N_GUARD::B(D),XR(e)
- R(e);N_GUARD::B(D)
- R(e);N_GUARD,P_PINR(G)::B(D)
- B(b);N_GUARD::B(D)
- B(b);S_CUTR(a)::R1(C)
- B(b);N_GUARD::B(D),XB(b)
- Tries
- Try
- S(E);
- Threat
- R1(G)
- Vars
- R(e);N_GUARD::B(D),XR(e)
- B(d);S_CUTR(e)::S(E)
- B(d);N_GUARD::S(E)
- Refutation
- R(e);
- Try
- Actual
- S(E);
- Threat
- R1(G)
- Vars
- R(e);S_CUTB(d)::R1(C)
- R(e);N_GUARD::B(D),XR(e)
- B(d);S_CUTR(e)::B(D)
- B(d);N_GUARD::R1(C)
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).