MESON Chess Problem Database
Problem Display
PID: 264389 (B4R2/7Q/2N1p3/2p1P1PN/R3nP2/4rk1P/4p2B/4n1K1 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2022
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Sd2
- 2.Sd4#
- 1...Sf2
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sxg5
- 2.Sd4#
- 2.fxg5#
- 1...Sd6
- 2.Sd4#
- 1...Sf6
- 2.Sd4#
- 1...c4
- 2.Sd4#
- 1...Ra3
- Tries
- 1.Sg3?
- threat
- 2.Qh5#
- 1...Sxg3
- 2.Sd4#
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Sf2
- 2.Sd4#
- 1...Sf6!
- threat
- 1.Sf6?
- threat
- 2.Qh5#
- 1...Sxf6
- 2.Sd4#
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Sf2
- 2.Sd4#
- 1...Sg3!
- threat
- 1.Qf5?
- threat
- 2.Qg4#
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Sf2
- 2.Sd4#
- 1...Sf6
- 2.Sd4#
- 1...exf5!
- threat
- 1.Sg3?
- Keys
- 1.Sg7!
- threat
- 2.Qh5#
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Sf2
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sf6
- 2.Sd4#
- threat
- 1.Sg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::QAB1(J),XS(e)
- S(e);::B(K)+S(I),DCHECK
- P(f);N_GUARD::S(I)
- Tries
- Try
- S(H);
- Threat
- QAB(J)
- Vars
- S(e);XS(H)::B(K)+S(I),DCHECK
- R(c);N_GUARD::QAB1(J),XS(e)
- S(e);::B(K)+S(I),DCHECK
- Refutation
- S(e);
- Try
- S(H);
- Threat
- QAB(J)
- Vars
- S(e);XS(H)::B(K)+S(I),DCHECK
- R(c);N_GUARD::QAB1(J),XS(e)
- S(e);::B(K)+S(I),DCHECK
- Refutation
- S(e);
- Try
- Q(J);
- Threat
- QAB1(J)
- Vars
- R(c);N_GUARD::QAB1(J),XS(e)
- S(e);::B(K)+S(I),DCHECK
- Refutation
- P(g);XQ(J)
- Try
- Actual
- S(H);
- Threat
- QAB(J)
- Vars
- R(c);N_GUARD::QAB1(J),XS(e)
- S(e);::B(K)+S(I),DCHECK
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).