MESON Chess Problem Database
Problem Display
PID: 157939 (2B5/8/6bK/8/Q3n2k/8/7P/8 w - - 0 1)
Antipin, Ivan Ivanovich
Leninskoe znamya, 1990
#2
4 + 3
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Qxe4#
- 1...Be8
- 2.Qxe4#
- 1...Bf7
- Tries
- 1.Qd7?
- threat
- 2.Qh3#
- 2.Qg4#
- 1...Bh5
- 2.Qh3#
- 1...Sf2
- 2.Qe7#
- 2.Qd8#
- 1...Sg5
- 2.Qg4#
- 1...Sf6
- 2.Qh3#
- 1...Bf5!
- threat
- 1.Qe8?
- 1...Bf5
- 2.Qh5#
- 1...Bh5
- 2.Qxh5#
- 1...Bf7
- 2.Qxe4#
- 1...Bh7
- 2.Qh5#
- 1...Sd2
- 2.Qe1#
- 2.Qe7#
- 2.Qd8#
- 1...Sf2
- 2.Qe7#
- 2.Qd8#
- 1...Sc3
- 2.Qe1#
- 2.Qe7#
- 2.Qd8#
- 1...Sg3
- 2.Qe7#
- 2.Qd8#
- 1...Sc5
- 2.Qe1#
- 2.Qe7#
- 2.Qd8#
- 1...Sg5
- 2.Qe1#
- 1...Sd6
- 2.Qe1#
- 2.Qe7#
- 2.Qd8#
- 1...Sf6
- 2.Qe1#
- 1...Bxe8!
- 1...Bf5
- 1.Qa3?
- threat
- 2.Qh3#
- 1...Sf2
- 2.Qe7#
- 2.Qg3#
- 1...Sc3
- 2.Qe7#
- 1...Sg3
- 2.Qe7#
- 2.Qxg3#
- 2.hxg3#
- 1...Sg5
- 2.Qg3#
- 1...Bf5!
- threat
- 1.Qd7?
- Keys
- 1.Qd1!
- threat
- 2.Qg4#
- 1...Bf5
- 2.Qh5#
- 1...Bh5
- 2.Qxh5#
- 1...Sf2
- 2.Qd8#
- 1...Sf6
- 2.Qe1#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(c);N_GUARD::QAR(B),XS(a)
- Tries
- Try
- Q(B);N_PINS(a)
- Threat
- DUALS(2)
- Vars
- B(c);::QAR1(B)
- S(a);::QAR1(B)
- Refutation
- B(c);
- Try
- Q(B);N_PINS(a)
- Vars
- B(c);OGATE::QAR1(B)
- B(c);OGATE::QAR1(B),XB(c)
- B(c);N_GUARD::QAR(B),XS(a)
- S(a);OGATE::QAB(B)
- Refutation
- B(c);XQ(B)
- Try
- Q(B);N_PINS(a)
- Threat
- QAR1(B)
- Vars
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB1(B)
- Refutation
- B(c);
- Try
- Actual
- Q(B);N_PINS(a)
- Threat
- QAR1(B)
- Vars
- B(c);N_GUARD::QAR1(B)
- B(c);N_GUARD::QAR1(B),XB(c)
- S(a);N_GUARD::QAB(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).