MESON Chess Problem Database
Problem Display
PID: 16142 (2KnR3/3P3r/2pkP2R/Q3N1B1/1pP5/8/2rb4/5b1B w - - 0 1)
Paslack, Rainer
Schach-Aktiv, 2000
#2
10 + 8
| 3770 | BCSC Postal | 2003-2004 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Bxe7#
- 1...Rh8
- 2.Be7#
- 1...Sxe6
- 2.Rhxe6#
- 2.Rexe6#
- 1...Sf7
- 2.Be7#
- 1...c5
- 2.Qc7#
- 1...Re7
- Tries
- 1.Sd3?
- threat
- 2.Qc7#
- 2.Qc5#
- 2.Qe5#
- 1...Rxc4
- 2.Qc7#
- 2.Qe5#
- 1...Rxd7
- 2.Qc5#
- 2.Qe5#
- 1...Bc3
- 2.Qc7#
- 2.Qc5#
- 2.c5#
- 1...Be3
- 2.Qc7#
- 2.Qe5#
- 1...Bf4
- 2.Bxf4#
- 2.Qc7#
- 2.Qc5#
- 1...Sb7
- 2.Qc7#
- 2.Qe5#
- 1...Sf7
- 2.Be7#
- 2.Qc7#
- 2.Qc5#
- 1...c5
- 2.Qc7#
- 2.Qxc5#
- 1...Bxd3!
- threat
- 1.Sf3?
- threat
- 2.Qe5#
- 1...c5
- 2.Qc7#
- 1...Bf4
- 2.Bxf4#
- 1...Sf7
- 2.Be7#
- 1...Bc3!
- threat
- 1.Sxc6?
- threat
- 2.Qd5#
- 2.Qe5#
- 1...Bxc4
- 2.Qe5#
- 1...Sxc6
- 2.Qd5#
- 1...Bc3
- 2.Qd5#
- 2.c5#
- 1...Bf4
- 2.Bxf4#
- 2.Qxb4#
- 2.Qd5#
- 1...Sf7
- 2.Be7#
- 2.Qd5#
- 1...Bg2!
- threat
- 1.Sg6?
- threat
- 2.Qe5#
- 1...Bc3
- 2.c5#
- 1...Bf4
- 2.Bxf4#
- 1...c5
- 2.Qc7#
- 1...Sf7!
- threat
- 1.Sf7+?
- 1...Sxf7
- 2.Be7#
- 1...Rxf7!
- 1...Sxf7
- 1.Be3?
- threat
- 2.Qc7#
- 2.Qc5#
- 1...Rxc4
- 2.Qc7#
- 1...Rxd7
- 2.Qc5#
- 1...c5
- 2.Qc7#
- 2.Qxc5#
- 1...Sb7
- 2.Qc7#
- 1...Bxe3!
- threat
- 1.Bf4?
- threat
- 2.Sf7#
- 1...Rf7
- 2.Sxf7#
- 1...Sf7
- 2.Sxf7#
- 1...Bxf4!
- threat
- 1.Qxb4+?
- 1...Kxe5
- 2.Qc5#
- 1...c5
- 2.Qb8#
- 1...Bxb4!
- 1...Kxe5
- 1.c5+?
- 1...Rxc5
- 2.Qc7#
- 1...Kxe5!
- 1...Rxc5
- 1.e7+?
- 1...Se6
- 2.d8Q#
- 2.d8R#
- 1...Rxh6!
- 1...Se6
- 1.Sd3?
- Keys
- 1.Sg4!
- threat
- 2.Qe5#
- 1...Bc3
- 2.c5#
- 1...Bf4
- 2.Bxf4#
- 1...Sf7
- 2.Be7#
- 1...c5
- 2.Qc7#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(g);N_GUARD::B(E),XR(g)
- R(g);N_GUARD::B(E)
- S(h);S_CUTR(g)::B(E)
- P(e);::QAB1(C)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Refutation
- B(a);XS(D)
- Try
- S(D);
- Threat
- QAB1(C)
- Vars
- P(e);::QAB1(C)
- B(c);N_GUARD::B(E),XB(c)
- S(h);S_CUTR(g)::B(E)
- Refutation
- B(c);
- Try
- S(D);XP(e)
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::QAB1(C)
- S(h);XS(D)::QAR1(C)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- QAB1(C)
- Vars
- B(c);S_CUTR(b)::P(B)
- B(c);N_GUARD::B(E),XB(c)
- P(e);::QAB1(C)
- Refutation
- S(h);
- Try
- S(D);CHECK
- Vars
- S(h);XS(D)::B(E)
- Refutation
- R(g);XS(D)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);XP(B)::QAB1(C)
- R(g);XP(H)::QAB1(C)
- S(h);::QAB1(C)
- Refutation
- B(c);XB(E)
- Try
- B(E);
- Threat
- B(E)+S(D),DCHECK
- Vars
- R(g);::B(E)+S(D),DCHECK,XR(g)
- S(h);::B(E)+S(D),DCHECK,XS(h)
- Refutation
- B(c);XB(E)
- Try
- Q(C);CHECK,XP(d)
- Vars
- K(f);S_FLIGHT,XS(D)::QAR2(C)
- P(e);P_SPINP(e),SBLOCK::QAB(C)
- Refutation
- B(c);XQ(C)
- Try
- P(B);CHECK
- Vars
- R(b);SBLOCK,XP(B)::QAB1(C)
- Refutation
- K(f);S_FLIGHT,XS(D)
- Try
- P(F);CHECK
- Vars
- S(h);OGATE,P_SPINS(h)::P=Q
- Refutation
- R(g);XR(G)
- Try
- Actual
- S(D);
- Threat
- QAB1(C)
- Vars
- B(c);S_CUTR(b)::P(B)
- B(c);N_GUARD::B(E),XB(c)
- S(h);S_CUTR(g)::B(E)
- P(e);::QAB1(C)
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).