MESON Chess Problem Database
Problem Display
PID: 87336 (1b4N1/1p6/Np1k4/pB2pP2/1p2K1p1/3p4/2RB4/1bQ1n2r w - - 0 1)
Linss, Torsten
Problem Echo TT, 1989
#2
8 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...b3
- 2.Qa3#
- 1...a4
- 2.Bxb4#
- 1...b3
- Tries
- 1.Bc3?
- threat
- 2.Bxe5#
- 1...bxc3
- 2.Qa3#
- 1...Sf3!
- threat
- 1.Bf4?
- threat
- 2.Bxe5#
- 1...exf4
- 2.Qxf4#
- 1...Sf3!
- threat
- 1.Rc5?
- threat
- 2.Rd5#
- 1...bxc5
- 2.Qxc5#
- 1...Ba2!
- threat
- 1.Rc6+?
- 1...bxc6
- 2.Qxc6#
- 1...Kd7!
- 1...bxc6
- 1.Rc7?
- threat
- 2.Rd7#
- 1...Bxc7
- 2.Qxc7#
- 1...Rh7!
- threat
- 1.Rc8?
- threat
- 2.Rd8#
- 1...Bc7
- 2.Qxc7#
- 1...Rh7!
- threat
- 1.Bc3?
- Keys
- 1.Bh6!
- threat
- 2.Bf8#
- 1...Rxh6
- 2.Qxh6#
- threat
- 1.Bh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- P(e);OGATEB::QAB(A)
- P(g);N_GUARD::B(C),XP(e)
- Tries
- Try
- B(C);
- Threat
- B(C),XP(h)
- Vars
- P(e);OGATEB,XB(C)::QAB(A)
- Refutation
- S(b);
- Try
- B(C);P_PINP(h)
- Threat
- B(C),XP(h)
- Vars
- P(h);N_SPINP(h),OGATE,XB(C)::QAB(A),XP(h)
- Refutation
- S(b);
- Try
- R(B);
- Threat
- R1(B)
- Vars
- P(i);OGATE,XR(B)::QAB1(A),XP(i)
- Refutation
- B(a);
- Try
- R(B);CHECK
- Vars
- P(k);OGATE,XR(B)::QAR1(A),XP(k)
- Refutation
- K(j);P-FLIGHT
- Try
- R(B);
- Threat
- R1(B)
- Vars
- B(l);OGATE,XR(B)::QAB1(A),XB(l)
- Refutation
- R(c);
- Try
- R(B);
- Threat
- R(B)
- Vars
- B(l);N_GUARD::QAB1(A),XB(l)
- Refutation
- R(c);
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- R(c);OGATE,XB(C)::QAR(A),XR(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).