MESON Chess Problem Database
Problem Display
PID: 245990 (1NkB4/K1P5/p1p3p1/3n4/1pR3p1/3Q3B/4r3/5r2 w - - 0 1)
Paslack, Rainer
Europa-Rochade, 2009
#2
7 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sc3
- 2.Qd7#
- 1...Se3
- 2.Qd7#
- 1...Sf4
- 2.Qd7#
- 1...Sxc7
- 2.Qd7#
- 1...Se7
- 2.Qd7#
- 1...Sc3
- Tries
- 1.Bxg4+?
- 1...Re6
- 2.Bxe6#
- 1...Rf5!
- 1...Re6
- 1.Rc1?
- threat
- 2.Qxa6#
- 1...Sxc7
- 2.Qd7#
- 1...a5
- 2.Qa6#
- 1...Ra2!
- threat
- 1.Rc2?
- threat
- 2.Qxa6#
- 1...Sxc7
- 2.Qd7#
- 1...a5
- 2.Qa6#
- 1...Ra1!
- threat
- 1.Re4?
- threat
- 2.Qxa6#
- 1...Sxc7
- 2.Qd7#
- 1...Ra1
- 2.Bxg4#
- 1...a5
- 2.Qa6#
- 1...Ra2!
- threat
- 1.Rf4?
- threat
- 2.Qxa6#
- 1...Sxc7
- 2.Qd7#
- 1...Ra2
- 2.Bxg4#
- 1...a5
- 2.Qa6#
- 1...Ra1!
- threat
- 1.Bxg4+?
- Keys
- 1.Rxg4!
- threat
- 2.Qxa6#
- 1...Sxc7
- 2.Qd7#
- 1...Ra1
- 2.Re4#
- 1...Ra2
- 2.Rf4#
- 1...a5
- 2.Qa6#
- threat
- 1.Rxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- S(e);OGATE::QAB1(A)
- S(e);OGATE,XP(E)::QAB1(A)
- Tries
- Try
- B(B);CHECK,XP(d)
- Vars
- R(b);N_GUARD,P_SPINR(b)::B(B),XR(b)
- Refutation
- R(a);P_SPINR(a)
- Try
- R(C);
- Threat
- QAB(A),XP(f)
- Vars
- S(e);OGATE,XP(E)::QAB1(A)
- P(f);::QAB(A)
- Refutation
- R(b);
- Try
- R(C);
- Threat
- QAB(A),XP(f)
- Vars
- S(e);OGATE,XP(E)::QAB1(A)
- P(f);::QAB(A)
- Refutation
- R(a);
- Try
- R(C);
- Threat
- QAB(A),XP(f)
- Vars
- S(e);OGATE,XP(E)::QAB1(A)
- R(a);N_GUARD::B(B),XP(d)
- P(f);::QAB(A)
- Refutation
- R(b);
- Try
- R(C);
- Threat
- QAB(A),XP(f)
- Vars
- S(e);OGATE,XP(E)::QAB1(A)
- R(b);N_GUARD::B(B),XP(d)
- P(f);::QAB(A)
- Refutation
- R(a);
- Try
- Actual
- R(C);XP(d)
- Threat
- QAB(A),XP(f)
- Vars
- S(e);OGATE,XP(E)::QAB1(A)
- R(a);N_GUARD::B(B)+R(C)
- R(b);N_GUARD::B(B)+R(C)
- P(f);::QAB(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).