MESON Chess Problem Database
Problem Display
PID: 221078 (2N4B/2nN3R/3bk3/3q4/1p2Ppp1/1B5n/p6Q/3RK3 w - - 0 1)
Ernst, Erich
Badische Neueste Nachrichten, 1998
#2
9 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3
- 2.Rxd6#
- 1...Qc4
- 2.Rxd6#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 2.Sf8#
- 2.Re7#
- 1...Be7
- 2.Rxe7#
- 1...Bf8
- 2.Sxf8#
- 1...Sg1
- 2.Qh6#
- 1...Sf2
- 2.Qh6#
- 1...Sg5
- 2.Qh6#
- 1...Sb5
- 2.Bxd5#
- 1...Sa6
- 2.Bxd5#
- 1...Sa8
- 2.Bxd5#
- 1...Se8
- 2.Bxd5#
- 1...f3
- 2.Qxd6#
- 1...g3
- 2.Qxh3#
- 1...Qxb3
- Tries
- 1.Se5?
- threat
- 2.Rh6#
- 1...Bxe5
- 2.Re7#
- 1...Be7
- 2.Rxe7#
- 1...Se8
- 2.Bxd5#
- 1...Bf8!
- threat
- 1.Bxa2?
- 1...Qxa2
- 2.Rxd6#
- 1...Be7
- 2.Rxe7#
- 1...Qb3
- 2.Rxd6#
- 1...Qc4
- 2.Rxd6#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 2.Sf8#
- 2.Re7#
- 1...Bf8
- 2.Sxf8#
- 1...Sg1
- 2.Qh6#
- 1...Sf2
- 2.Qh6#
- 1...Sg5
- 2.Qh6#
- 1...Sb5
- 2.Bxd5#
- 1...Sa6
- 2.Bxd5#
- 1...Sa8
- 2.Bxd5#
- 1...Se8
- 2.Bxd5#
- 1...f3
- 2.Qxd6#
- 1...g3
- 2.Qxh3#
- 1...b3!
- 1...Qxa2
- 1.Qxf4?
- threat
- 2.Qxd6#
- 2.Qh6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Bxf4
- 2.Sc5#
- 2.Sf8#
- 2.Re7#
- 1...Be7
- 2.Rxe7#
- 2.Qxg4#
- 2.Qf5#
- 1...a1Q
- 2.Qxd6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf7#
- 1...a1B
- 2.Qxd6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf7#
- 1...Bc5
- 2.Sxc5#
- 2.Qe5#
- 2.Qh6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Be5
- 2.Sc5#
- 2.Sf8#
- 2.Re7#
- 2.Qxe5#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf7#
- 1...Bf8
- 2.Sxf8#
- 2.Qe5#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Sf2
- 2.Qxd6#
- 2.Qh6#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Sg5
- 2.Qxd6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf6#
- 1...Sb5
- 2.Bxd5#
- 2.Qh6#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 2.exd5#
- 1...Se8
- 2.Bxd5#
- 2.Qxg4#
- 2.Qf5#
- 2.Qf7#
- 2.exd5#
- 1...g3
- 2.Qxd6#
- 2.Qh6#
- 2.Qg4#
- 2.Qf5#
- 2.Qf6#
- 2.Qf7#
- 1...Sxf4!
- threat
- 1.Qg2?
- threat
- 2.Qxg4#
- 1...g3
- 2.Qxh3#
- 1...Sf2!
- threat
- 1.Qxh3?
- threat
- 2.Qxg4#
- 2.Qh6#
- 1...Be7
- 2.Rxe7#
- 2.Qxg4#
- 1...a1Q
- 2.Qxg4#
- 1...a1B
- 2.Qxg4#
- 1...Be5
- 2.Sc5#
- 2.Sf8#
- 2.Re7#
- 2.Qxg4#
- 1...Bf8
- 2.Sxf8#
- 2.Qxg4#
- 1...Se8
- 2.Bxd5#
- 2.Qxg4#
- 1...gxh3!
- threat
- 1.Se5?
- Keys
- 1.Ba1!
- 1...Qxb3
- 2.Rxd6#
- 1...Be7
- 2.Rxe7#
- 1...Qc4
- 2.Rxd6#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Re7#
- 1...Bf8
- 2.Sxf8#
- 1...Sg1
- 2.Qh6#
- 1...Sf2
- 2.Qh6#
- 1...Sg5
- 2.Qh6#
- 1...Sb5
- 2.Bxd5#
- 1...Sa6
- 2.Bxd5#
- 1...Sa8
- 2.Bxd5#
- 1...Se8
- 2.Bxd5#
- 1...f3
- 2.Qxd6#
- 1...g3
- 2.Qxh3#
- 1...Qxb3
- 1.Ba1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(f);N_SPINQ(f),OGATE,XB(D)::R1(A),XB(g)
- Q(f);OGATE::R1(A),XB(g)
- B(g);N_GUARD::S(F),XB(g)
- B(g);N_GUARD::R1(G),XB(g)
- S(b);OGATE::QAR(C)
- S(i);N_GUARD::B(D),XQ(f)
- P(d);OGATE::QAR1(C),XB(g)
- P(e);OGATEB::QAB(C),XS(b)
- Tries
- Try
- S(F);
- Threat
- R(G)
- Vars
- B(g);N_GUARD,XS(F)::R1(G)
- B(g);N_GUARD::R1(G),XB(g)
- S(i);N_GUARD::B(D),XQ(f)
- Refutation
- B(g);
- Try
- B(D);XP(a)
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(D)::R1(A),XB(g)
- B(g);N_GUARD::R1(G),XB(g)
- Q(f);OGATE::R1(A),XB(g)
- B(g);N_GUARD::S(F),XB(g)
- S(b);OGATE::QAR(C)
- S(i);N_GUARD::B(D),XQ(f)
- P(d);OGATE::QAR1(C),XB(g)
- P(e);OGATEB::QAB(C),XS(b)
- Refutation
- P(c);N_SPINQ(f)
- Try
- Q(C);XP(d)
- Threat
- DUALS(6)
- Refutation
- S(b);XQ(C)
- Try
- Q(C);
- Threat
- QAB(C),XP(e)
- Vars
- P(e);OGATEB::QAB(C),XS(b)
- Refutation
- S(b);
- Try
- Q(C);P_PINP(e),XS(b)
- Threat
- DUALS(2)
- Vars
- P(a);P_PINR(A)::QAB(C),XP(e)
- P(a);::QAB(C),XP(e)
- Refutation
- P(e);N_SPINP(e),XQ(C)
- Try
- Actual
- B(I);
- Vars
- Q(f);N_SPINQ(f),OGATE,XB(D)::R1(A),XB(g)
- B(g);N_GUARD::R1(G),XB(g)
- Q(f);OGATE::R1(A),XB(g)
- B(g);N_GUARD::S(F),XB(g)
- B(g);N_GUARD::R1(G)
- S(b);OGATE::QAR(C)
- S(i);N_GUARD::B(D),XQ(f)
- P(d);OGATE::QAR1(C),XB(g)
- P(e);OGATEB::QAB(C),XS(b)
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).