MESON Chess Problem Database
Problem Display
PID: 220422 (1B4nR/bK1Bpq2/Pp3n1R/r1kpPp2/r1p5/2P5/1Q2N3/8 w - - 0 1)
Ernst, Erich
Badische Neueste Nachrichten, 1997
#2
10 + 12
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 2.cxb4#
- 1...Rb5
- 2.Qxb5#
- 1...Rxa6
- 2.Qb5#
- 1...Bxb8
- 2.Qxb6#
- 1...Se4
- 2.Rc6#
- 1...Sg4
- 2.Rc6#
- 1...Sh5
- 2.Rc6#
- 1...Sxd7
- 2.Rc6#
- 1...Sh7
- 2.Rc6#
- 1...Se8
- 2.Rc6#
- 1...Sxh6
- 2.Rc8#
- 1...b5
- 2.Bxa7#
- 1...e6
- 2.Bd6#
- 1...Ra1
- Tries
- 1.Sd4?
- 1...Rxa6
- 2.Qb5#
- 1...Bxb8
- 2.Qxb6#
- 1...Sxd7
- 2.Rc6#
- 1...Sxh6
- 2.Rc8#
- 1...Qh5
- 2.Se6#
- 1...Qe6
- 2.Sxe6#
- 1...Qg6
- 2.Se6#
- 1...Qe8
- 2.Se6#
- 1...Qg7
- 2.Se6#
- 1...Qh7
- 2.Se6#
- 1...Qf8
- 2.Se6#
- 1...Ra1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 2.cxb4#
- 1...Rb5
- 2.Qxb5#
- 1...Se4
- 2.Rc6#
- 1...Sg4
- 2.Rc6#
- 1...Sh5
- 2.Rc6#
- 1...Sh7
- 2.Rc6#
- 1...Se8
- 2.Rc6#
- 1...b5
- 2.Bxa7#
- 1...e6
- 2.Bd6#
- 1...f4!
- 1...Rxa6
- 1.Qa3+?
- 1...Rb4
- 2.Qxb4#
- 2.cxb4#
- 1...Rxa3!
- 1...Rb4
- 1.Qd2?
- threat
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...Sxd7!
- threat
- 1.Sd4?
- Keys
- 1.Sf4!
- 1...Rxa6
- 2.Qb5#
- 1...Bxb8
- 2.Qxb6#
- 1...Sxd7
- 2.Rc6#
- 1...Sxh6
- 2.Rc8#
- 1...Qh5
- 2.Se6#
- 1...Qe6
- 2.Sxe6#
- 1...Qg6
- 2.Se6#
- 1...Qe8
- 2.Se6#
- 1...Qg7
- 2.Se6#
- 1...Qh7
- 2.Se6#
- 1...Qf8
- 2.Se6#
- 1...Ra1
- 2.Qb4#
- 1...Ra2
- 2.Qb4#
- 1...Ra3
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 2.cxb4#
- 1...Rb5
- 2.Qxb5#
- 1...Se4
- 2.Rc6#
- 1...Sg4
- 2.Rc6#
- 1...Sh5
- 2.Rc6#
- 1...Sh7
- 2.Rc6#
- 1...Se8
- 2.Rc6#
- 1...d4
- 2.cxd4#
- 1...b5
- 2.Bxa7#
- 1...e6
- 2.Bd6#
- 1...Rxa6
- 1.Sf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::QAB1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- R(c);N_GUARD,XP(E)::QAR1(A)
- B(i);N_GUARD,XB(I)::QAB1(A),XP(g)
- S(h);OGATE::R1(F)
- S(h);OGATE,XB(H)::R1(F)
- S(l);OGATE,XR(F)::R(J)
- P(g);OGATEB::B(I),XB(i)
- P(j);N_GUARD,P_PINB(H)::B(I)
- Tries
- Try
- S(B);
- Vars
- R(c);N_GUARD,XP(E)::QAR1(A)
- B(i);N_GUARD,XB(I)::QAB1(A),XP(g)
- S(h);OGATE,XB(H)::R1(F)
- S(l);OGATE,XR(F)::R(J)
- Q(k);N_GUARD::S(B)
- Q(k);N_GUARD::S(B),XQ(k)
- R(a);N_GUARD::QAB1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- S(h);OGATE::R1(F)
- P(g);OGATEB::B(I),XB(i)
- P(j);N_GUARD,P_PINB(H)::B(I)
- Refutation
- P(f);
- Try
- Q(A);CHECK
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(e);::QAB1(A),XP(e)
- Refutation
- S(h);XB(H)
- Try
- Actual
- S(B);
- Vars
- R(c);N_GUARD,XP(E)::QAR1(A)
- B(i);N_GUARD,XB(I)::QAB1(A),XP(g)
- S(h);OGATE,XB(H)::R1(F)
- S(l);OGATE,XR(F)::R(J)
- Q(k);N_GUARD::S(B)
- Q(k);N_GUARD::S(B),XQ(k)
- R(a);N_GUARD::QAB1(A)
- R(c);N_GUARD::QAR1(A),XR(c)
- S(h);OGATE::R1(F)
- P(e);OGATE::P(C),XP(e)
- P(g);OGATEB::B(I),XB(i)
- P(j);N_GUARD,P_PINB(H)::B(I)
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).