MESON Chess Problem Database
Problem Display
PID: 164915 (8/B7/4p3/4pkPK/1QP2p2/8/8/6N1 w - - 0 1)
Agostini, Valerio
2nd HM., Best Problems, 2016
#2
6 + 4
| 4901 | Best Problems | 2019 |
| 5454 | Near Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qb1#
- 1...Ke4
- Tries
- 1.Sf3?
- 1...e4
- 2.Qf8#
- 1...Ke4!
- 1...e4
- 1.Qe7?
- threat
- 2.Qh7#
- 1...Ke4
- 2.Qh7#
- 1...e4
- 2.Qf6#
- 1...f3!
- threat
- 1.Qb2?
- 1...Ke4
- 2.Qb1#
- 2.Qc2#
- 1...e4
- 2.Qf6#
- 1...f3!
- 1...Ke4
- 1.Qb3?
- 1...Ke4
- 2.Qc2#
- 2.Qb1#
- 1...f3
- 2.Qxf3#
- 1...e4!
- 1...Ke4
- 1.Qb5?
- 1...Ke4
- 2.Qb1#
- 1...f3!
- 1...Ke4
- 1.Qb7?
- threat
- 2.Qh7#
- 1...f3
- 2.Qxf3#
- 1...e4!
- threat
- 1.c5?
- 1...f3
- 2.Qg4#
- 1...e4!
- 1...f3
- 1.Sf3?
- Keys
- 1.Qc3!
- 1...Ke4
- 2.Qc2#
- 1...f3
- 2.Qxf3#
- 1...e4
- 2.Qf6#
- 1...Ke4
- 1.Qc3!
Anticipated by 35001(1993)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAB(B)
- Tries
- Try
- S(A);
- Vars
- P(b);SBLOCK::QAR(B)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- K(c);S_FLIGHT::QAB(B)
- P(b);SBLOCK::QAR1(B)
- Refutation
- P(a);
- Try
- Q(B);
- Vars
- P(b);OGATE,SBLOCK::QAR1(B)
- Refutation
- P(a);
- Try
- Q(B);
- Vars
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- P(b);
- Try
- Q(B);P_PINP(b)
- Vars
- K(c);N_SPINP(b),S_FLIGHT::QAB(B)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- P(a);OGATEB::QAR2(B),XP(a)
- Refutation
- P(b);
- Try
- P(C);
- Vars
- P(a);OGATE::QAB1(B)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Vars
- K(c);S_FLIGHT::QAB(B)
- P(a);OGATEB::QAR2(B),XP(a)
- P(b);OGATE,SBLOCK::QAR1(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).