MESON Chess Problem Database
Problem Display
PID: 124437 (b1n5/3Rb1B1/1Np1k1K1/3r2p1/B1p1N3/8/1Q6/8 w - - 0 1)
Vogel, Peter
Source?, 0000
#2
7 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qe5#
- 1...Rd2
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rd6
- 2.Sc5#
- 2.Qe5#
- 1...Rxd7
- 2.Qe5#
- 1...Ba3
- 2.Qf6#
- 1...Bb4
- 2.Qf6#
- 1...Bc5
- 2.Qf6#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...Bf8
- 2.Qf6#
- 1...Rd1
- Tries
- 1.Sc5+?
- 1...Bxc5
- 2.Qf6#
- 1...Rxc5!
- 1...Bxc5
- 1.Rd6+?
- 1...Rxd6
- 2.Sc5#
- 2.Qe5#
- 1...Bxd6
- 2.Qf6#
- 1...Sxd6!
- 1...Rxd6
- 1.Qe2?
- threat
- 2.Sc5#
- 2.Sxg5#
- 1...Rxd7
- 2.Qg4#
- 1...Sxb6
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 2.Sxg5#
- 1...Bc5
- 2.Sxc5#
- 2.Sxg5#
- 1...g4
- 2.Sc5#
- 2.Sg5#
- 1...c5
- 2.Sxc5#
- 2.Sxg5#
- 1...Re5!
- threat
- 1.Sc5+?
- Keys
- 1.Rxd5!
- threat
- 2.Re5#
- 2.Qe5#
- 1...Sxb6
- 2.Qe5#
- 1...cxd5
- 2.Bd7#
- 2.Qe5#
- 1...Bd6
- 2.Qf6#
- 1...Bf6
- 2.Qxf6#
- 1...c3
- 2.Re5#
- threat
- 1.Rxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD::QAR1(A)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);N_GUARD,XR(F)::QAR1(A)
- B(f);N_GUARD::QAR1(A)
- B(f);N_GUARD::QAR1(A),XB(f)
- Tries
- Try
- S(C);CHECK
- Vars
- B(f);XS(C)::QAR1(A)
- Refutation
- R(b);XS(C)
- Try
- R(F);CHECK
- Vars
- B(f);XR(F)::QAR1(A)
- Refutation
- S(h);XR(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XR(F)::QAB(A)
- S(h);XS(D)::QAR(A)+S(C),DCHECK
- Refutation
- R(b);
- Try
- Actual
- R(F);XR(b)
- Threat
- DUALS(2)
- Vars
- S(h);XS(D)::QAR1(A)
- B(f);N_GUARD::QAR1(A)
- B(f);N_GUARD::QAR1(A),XB(f)
- P(a);::R1(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).