MESON Chess Problem Database
Problem Display
PID: 241592 (nKB5/rn1pp3/7R/3kp2N/7R/8/3N4/2Q2bB1 w - - 0 1)
Gross, Erwin
Schweizerische Schachzeitung, 1990
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bxb7#
- 1...Ra2
- 2.Bxb7#
- 1...Ra3
- 2.Bxb7#
- 1...Ra4
- 2.Bxb7#
- 1...Ra5
- 2.Bxb7#
- 1...Bg2
- 2.Qc4#
- 1...Bh3
- 2.Qc4#
- 1...Bc4
- 2.Qxc4#
- 1...Sa5
- 2.Qc5#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...Sd8
- 2.Qc5#
- 1...d6
- 2.Be6#
- 1...Ra1
- Tries
- 1.Sc4?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Ra3
- 2.Bxb7#
- 1...e4
- 2.Sf4#
- 1...e6!
- threat
- 1.Qc2?
- threat
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Ra4
- 2.Bxb7#
- 1...Bg2
- 2.Qb3#
- 2.Qd3#
- 2.Qc4#
- 1...Bd3
- 2.Qxd3#
- 1...Sc5
- 2.Qxc5#
- 1...Sd6
- 2.Qc5#
- 1...e6!
- threat
- 1.Sc4?
- Keys
- 1.Se4!
- threat
- 2.Sc3#
- 1...Ra3
- 2.Bxb7#
- 1...Sd6
- 2.Qc5#
- 1...d6
- 2.Be6#
- 1...e6
- 2.Shf6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- R(d);N_GUARD::B(H),XS(e)
- B(a);N_GUARD::QAB1(A)
- B(a);N_GUARD::QAB1(A),XB(a)
- S(e);N_GUARD::QAR1(A)
- S(e);N_GUARD::QAR1(A),XS(e)
- P(f);OGATE,SBLOCK::B(H)
- Tries
- Try
- S(C);
- Threat
- S(C)
- Vars
- B(a);OGATE,XS(C)::QAB1(A),XB(a)
- R(d);N_GUARD::B(H),XS(e)
- P(c);N_GUARD,SBLOCK::S(E)
- Refutation
- P(g);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(c);::QAB1(A),XP(c)
- R(d);N_GUARD::B(H),XS(e)
- B(a);N_GUARD::QAR2(A),XB(a)
- S(e);N_GUARD::QAR1(A),XS(e)
- S(e);N_GUARD::QAR1(A)
- Refutation
- P(g);
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- R(d);N_GUARD::B(H),XS(e)
- S(e);N_GUARD::QAR1(A)
- P(f);OGATE::B(H)
- P(g);N_GUARD,SBLOCK::S(E)
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).