MESON Chess Problem Database
Problem Display
PID: 246727 (2N5/1K6/1PR1p3/3k4/p4Q1b/r1n5/8/B7 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Moscow Ty., 2019
#2
6 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Bg3
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Sb1
- 2.Qe5#
- 2.Qc4#
- 2.Qd4#
- 1...Sd1
- 2.Qe5#
- 2.Qc4#
- 2.Qd4#
- 1...Sa2
- 2.Qe5#
- 2.Qc4#
- 2.Qd4#
- 1...Se2
- 2.Qe5#
- 2.Qc4#
- 1...Se4
- 2.Qe5#
- 1...Sb5
- 2.Qe5#
- 2.Qc4#
- 1...e5
- 2.Qc4#
- 1...Be1
- Tries
- 1.Bxc3?
- threat
- 2.Qe5#
- 2.Qf3#
- 2.Qc4#
- 2.Qd4#
- 1...Bf2
- 2.Se7#
- 2.Qe5#
- 2.Qf3#
- 2.Qc4#
- 1...Bg3
- 2.Se7#
- 2.Qf3#
- 2.Qc4#
- 2.Qd4#
- 1...Bf6
- 2.Qf3#
- 2.Qc4#
- 1...e5
- 2.Qxe5#
- 2.Qc4#
- 1...Rxc3!
- threat
- 1.Rc4?
- threat
- 2.Qd4#
- 1...Se4
- 2.Qxe4#
- 1...e5
- 2.Qf7#
- 1...Bf2
- 2.Se7#
- 1...Se2
- 2.Qe4#
- 1...Sb5
- 2.Qe4#
- 1...Bf6!
- threat
- 1.Bxc3?
- Keys
- 1.Qe3!
- threat
- 2.Rc5#
- 1...Be7
- 2.Sxe7#
- 1...Se4
- 2.Qd4#
- 1...e5
- 2.Qd3#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- B(d);N_GUARD::S(F)
- B(d);N_GUARD::S(F),XB(d)
- S(b);::QAR1(B)
- P(f);SBLOCK::QAB1(B)
- Tries
- Try
- B(A);XS(b)
- Threat
- DUALS(4)
- Refutation
- R(a);XB(A)
- Try
- R(D);
- Threat
- QAR1(B)
- Vars
- S(b);N_GUARD::QAB1(B),XS(b)
- P(f);OGATEB,SBLOCK::QAB(B)
- B(d);N_GUARD::S(F)
- S(b);N_GUARD::QAB1(B)
- Refutation
- B(d);
- Try
- Actual
- Q(B);
- Threat
- R1(D)
- Vars
- B(d);N_GUARD::S(F),XB(d)
- S(b);::QAR1(B)
- P(f);SBLOCK::QAR2(B)
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).