MESON Chess Problem Database
Problem Display
PID: 75188 (1R6/3pQ3/2p5/3k4/8/3K4/8/8 w - - 0 1)
Chepizhni, Viktor Ivanovich
Sp. Prize, Pobeda-60 JT, 2005
#2
3 + 3
| 6167 | Viktor Chepizhny | 2007 |
| 5454 | Near Snap | 2011 |
| 23 | Die Schwalbe | 2013 |
SOLUTION
- SOUND
- Tries
- 1.Rb5+?
- 1...c5
- 2.Rxc5#
- 1...cxb5!
- 1...c5
- 1.Rb6?
- 1...c5
- 2.Rd6#
- 2.Qg5#
- 2.Qd6#
- 2.Qe4#
- 1...d6!
- 1...c5
- 1.Rc8?
- 1...c5
- 2.Rxc5#
- 1...d6!
- 1...c5
- 1.Rd8?
- threat
- 2.Rxd7#
- 1...d6
- 2.Qxd6#
- 1...c5!
- threat
- 1.Qf6?
- 1...Kc5
- 2.Qd4#
- 1...d6
- 2.Qf5#
- 1...c5!
- 1...Kc5
- 1.Qe4+?
- 1...Kc5
- 2.Qd4#
- 1...Kd6!
- 1...Kc5
- 1.Qxd7+?
- 1...Kc5
- 2.Qd4#
- 1...Ke5!
- 1...Kc5
- 1.Rb5+?
- Keys
- 1.Re8!
- threat
- 2.Qe5#
- 1...c5
- 2.Qxd7#
- 1...d6
- 2.Qg5#
- threat
- 1.Re8!
Anticipated by 76415(1928)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(C);CHECK
- Vars
- P(b);P_SPINP(b)::R1(C),XP(b)
- Refutation
- P(b);XR(C)
- Try
- R(C);
- Refutation
- P(c);
- Try
- R(C);
- Vars
- P(b);OGATE::R1(C),XP(b)
- Refutation
- P(c);
- Try
- R(C);P_PINP(c)
- Threat
- R(C),XP(c)
- Vars
- P(c);::QAR1(B),XP(c)
- Refutation
- P(b);
- Try
- Q(B);
- Vars
- K(a);P-FLIGHT::QAB1(B)
- P(c);SBLOCK::QAR2(B)
- Refutation
- P(b);
- Try
- Q(B);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(B);CHECK,XP(c)
- Vars
- K(a);OGATE,P-FLIGHT::QAB1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- R(C);
- Threat
- QAR1(B)
- Vars
- P(b);SBLOCK::QAR2(B),XP(c)
- P(c);SBLOCK::QAR(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).