MESON Chess Problem Database
Problem Display
PID: 11982 (3B4/1R3N1n/1p6/b2p4/p2kP3/2R3n1/2KN4/8 w - - 0 1)
Hartong, Jan
Hjelle, David
The Problemist, 1973
#2
7 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxc3
- 2.Bxb6#
- 1...Sxe4
- 2.Sf3#
- 1...Sg5
- 2.Bf6#
- 1...Sf6
- 2.Bxf6#
- 1...Sf8
- 2.Bf6#
- 1...dxe4
- 2.Rd7#
- 1...Bxc3
- Tries
- 1.Bc7?
- threat
- 2.Be5#
- 1...Bxc3
- 2.Bxb6#
- 1...dxe4!
- threat
- 1.Be7?
- threat
- 2.Rd3#
- 1...dxe4
- 2.Rd7#
- 1...Bxc3!
- threat
- 1.Rbc7?
- threat
- 2.Rd3#
- 1...dxe4
- 2.Rd7#
- 1...Bxc3!
- threat
- 1.Re7?
- threat
- 2.Sf3#
- 1...Bxc3
- 2.Bxb6#
- 1...dxe4
- 2.Rd7#
- 1...Sg5!
- threat
- 1.Bc7?
- Keys
- 1.Rd7!
- threat
- 2.Rxd5#
- 1...Bxc3
- 2.Bxb6#
- 1...Sxe4
- 2.Sf3#
- 1...Sf6
- 2.Bxf6#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(d);N_GUARD,XR(C)::B(G),XP(f)
- S(a);SBLOCK,XP(D)::S(B)
- S(g);N_GUARD::B(G)
- S(g);N_GUARD::B(G),XS(g)
- P(e);OGATEB,XP(D)::R(E)
- Tries
- Try
- B(G);
- Threat
- B(G)
- Vars
- B(d);N_GUARD,XR(C)::B(G),XP(f)
- Refutation
- P(e);XP(D)
- Try
- B(G);
- Threat
- R1(C)
- Vars
- P(e);OGATEB,XP(D)::R(E)
- Refutation
- B(d);XR(C)
- Try
- R(E);
- Threat
- R1(C)
- Vars
- P(e);OGATEB,XP(D)::R(E)
- Refutation
- B(d);XR(C)
- Try
- R(E);
- Threat
- S(B)
- Vars
- B(d);N_GUARD,XR(C)::B(G),XP(f)
- P(e);OGATEB,XP(D)::R(E)
- Refutation
- S(g);
- Try
- Actual
- R(E);P_PINP(e)
- Threat
- R1(E),XP(e)
- Vars
- B(d);N_GUARD,XR(C)::B(G),XP(f)
- S(a);SBLOCK,XP(D)::S(B)
- S(g);N_GUARD::B(G),XS(g)
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).