MESON Chess Problem Database
Problem Display
PID: 105448 (1Q6/7N/8/8/7k/3r4/3bB1KN/8 w - - 0 1)
Pypa, Volodimir Iosifovich
Kudesnik, 1991
#2
5 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Qf4#
- 1...Rg3+
- 2.Qxg3#
- 1...Rd4
- 2.Qg3#
- 1...Rd5
- 2.Qg3#
- 1...Rd7
- 2.Qg3#
- 1...Rd8
- 2.Qg3#
- 1...Be1
- 2.Qf4#
- 1...Bc3
- 2.Qf4#
- 1...Be3
- 2.Qg3#
- 1...Bb4
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Ba5
- 2.Qf4#
- 1...Re3
- Tries
- 1.Qe5?
- threat
- 2.Qh5#
- 1...Rg3+
- 2.Qxg3#
- 1...Rd5
- 2.Qg3#
- 1...Bg5
- 2.Qxg5#
- 1...Rf3!
- threat
- 1.Qd8+?
- 1...Bg5
- 2.Qxg5#
- 1...Rxd8!
- 1...Bg5
- 1.Qe5?
- Keys
- 1.Qg8!
- threat
- 2.Qg4#
- 1...Rg3+
- 2.Qxg3#
- 1...Rd4
- 2.Qg3#
- 1...Bg5
- 2.Qxg5#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(b);S_CUTB(a)::QAR2(E)
- R(b);CHECK,N_GUARD::QAB1(E),XR(b)
- R(b);N_GUARD::QAB1(E)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::QAB1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- B(a);N_GUARD,SBLOCK::QAR2(E)
- Tries
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- R(b);CHECK,N_GUARD::QAB1(E),XR(b)
- R(b);N_GUARD::QAB1(E)
- B(a);N_GUARD::QAB1(E),XB(a)
- Refutation
- R(b);
- Try
- Q(E);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(E),XB(a)
- Refutation
- R(b);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- QAR1(E)
- Vars
- R(b);CHECK,N_GUARD::QAB1(E),XR(b)
- R(b);N_GUARD::QAB1(E)
- B(a);N_GUARD::QAB1(E),XB(a)
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).