MESON Chess Problem Database
Problem Display
PID: 261356 (8/3p1NpK/r4b1p/2nP1k2/5Bp1/4Q3/6r1/5N2 w - - 0 1)
Aschwanden, Reto
Boven, Dirk
Nievergelt, Andreas
Neue Zurcher Zeitung, 1989
#2
6 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rga2
- 2.Sg3#
- 1...Rb2
- 2.Sg3#
- 1...Rc2
- 2.Sg3#
- 1...Rd2
- 2.Sg3#
- 1...Re2
- 2.Sg3#
- 1...Rf2
- 2.Sg3#
- 1...Rh2
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Ra1
- 2.Sd6#
- 1...Raa2
- 2.Sd6#
- 1...Ra3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Ra5
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Ra7
- 2.Sd6#
- 1...Ra8
- 2.Sd6#
- 1...Bh4
- 2.Qe5#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Be7
- 2.Qe5#
- 1...Bd8
- 2.Qe5#
- 1...g5
- 2.Sxh6#
- 1...g6
- 2.Sxh6#
- 1...Rga2
- Tries
- 1.Bg3?
- threat
- 2.Qf4#
- 1...Rxg3
- 2.Sxg3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Ra4
- 2.Sd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- 1...Rf2!
- threat
- 1.Be5?
- threat
- 2.Qf4#
- 1...Bxe5
- 2.Qxe5#
- 1...Rf2
- 2.Sg3#
- 1...Ra4
- 2.Sd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- 1...Bg5!
- threat
- 1.Bg5?
- threat
- 2.Qf4#
- 1...Bxg5
- 2.Qe5#
- 1...Rf2
- 2.Sg3#
- 1...Ra4
- 2.Sd6#
- 1...Be5
- 2.Qxe5#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...hxg5!
- threat
- 1.Bd6?
- threat
- 2.Qf4#
- 1...Rxd6
- 2.Sxd6#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Rf2
- 2.Sg3#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- 1...Ra4!
- threat
- 1.Bxh6?
- threat
- 2.Qf4#
- 1...gxh6
- 2.Sxh6#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Rf2
- 2.Sg3#
- 1...Ra4
- 2.Sd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5!
- threat
- 1.Bc7?
- threat
- 2.Qf4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Rf2
- 2.Sg3#
- 1...Ra4
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- 1...d6!
- threat
- 1.Bb8?
- threat
- 2.Qf4#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...Rf2
- 2.Sg3#
- 1...Ra4
- 2.Sd6#
- 1...Rd6
- 2.Sxd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- 1...d6!
- threat
- 1.Bg3?
- Keys
- 1.Bh2!
- threat
- 2.Qf4#
- 1...Rxh2
- 2.Sg3#
- 1...Be5
- 2.Qxe5#
- 1...Bg5
- 2.Qe5#
- 1...g3
- 2.Qf3#
- 1...Rf2
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Ra4
- 2.Sd6#
- 1...Sd3
- 2.Qxd3#
- 1...Se6
- 2.Qd3#
- 1...g5
- 2.Sxh6#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 16
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(e);N_GUARD::S(E)
- R(e);N_GUARD::S(E),XR(e)
- B(f);N_GUARD::QAR1(B)
- B(f);N_GUARD::QAR1(B),XB(f)
- P(i);N_GUARD::S(E),XP(g)
- Tries
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- R(a);XB(C)::S(A),XR(a)
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- R(e);N_GUARD::S(E)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
- Refutation
- R(a);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- B(f);OGATE,XB(C)::QAR1(B),XB(f)
- R(a);N_GUARD::S(A)
- R(e);N_GUARD::S(E)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
- Refutation
- B(f);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- B(f);N_GUARD,XB(C)::QAR1(B)
- R(a);N_GUARD::S(A)
- R(e);N_GUARD::S(E)
- B(f);N_GUARD::QAR1(B),XB(f)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- Refutation
- P(g);XB(C)
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- R(e);XB(C)::S(E),XR(e)
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- R(a);N_GUARD::S(A)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
- Refutation
- R(e);
- Try
- B(C);XP(g)
- Threat
- QAR1(B)
- Vars
- P(i);XB(C)::S(E),XP(i)
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- R(a);N_GUARD::S(A)
- R(e);N_GUARD::S(E)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- Refutation
- P(i);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- R(a);N_GUARD::S(A)
- R(e);N_GUARD::S(E)
- R(e);N_GUARD::S(E),XR(e)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
- Refutation
- P(h);
- Try
- B(C);
- Threat
- QAR1(B)
- Vars
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- R(a);N_GUARD::S(A)
- R(e);N_GUARD::S(E)
- R(e);N_GUARD::S(E),XR(e)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
- Refutation
- P(h);
- Try
- Actual
- B(C);
- Threat
- QAR1(B)
- Vars
- R(a);N_GUARD,XB(C)::S(A)
- B(f);N_GUARD::QAR1(B),XB(f)
- B(f);N_GUARD::QAR1(B)
- P(b);N_GUARD::QAR2(B)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- R(e);N_GUARD::S(E)
- S(c);N_GUARD::QAB(B),XS(c)
- S(c);N_GUARD::QAB(B)
- P(i);N_GUARD::S(E),XP(g)
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).