MESON Chess Problem Database
Problem Display
PID: 65117 (2B1Rbq1/8/5Q1p/2N1pp2/KN3k1P/1p3Pp1/3P2P1/1bn1r3 w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd Prize, Schach-Report/Deutsche Schachblatter, 1990
#2
10 + 11
| 4827 | FIDE Album (1989-1991) | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Sxd5#
- 1...Qe6
- 2.Sxe6#
- 1...Qh7
- 2.Sd5#
- 2.Se6#
- 1...Qg4
- 2.Sd5#
- 2.Se6#
- 1...Qg5
- 2.Sd5#
- 2.Se6#
- 1...Qg6
- 2.Sd5#
- 2.Se6#
- 1...Qg7
- 2.Sd5#
- 2.Se6#
- 1...Qh8
- 2.Sd5#
- 2.Se6#
- 1...Rd1
- 2.Qxe5#
- 1...Rf1
- 2.Qxe5#
- 1...Rg1
- 2.Qxe5#
- 1...Rh1
- 2.Qxe5#
- 1...Re4
- 2.Qxf5#
- 1...Ba2
- 2.Qxf5#
- 1...Be4
- 2.Qxe5#
- 1...Se2
- 2.Qxe5#
- 1...Sd3
- 2.Qxf5#
- 1...e4
- 2.Qe5#
- 2.Qxf5#
- 1...Qd5
- Tries
- 1.Sbd3+?
- 1...Sxd3
- 2.Qxf5#
- 1...Bxd3!
- 1...Sxd3
- 1.Scd3+?
- 1...Sxd3
- 2.Qxf5#
- 1...Bxd3!
- 1...Sxd3
- 1.Se4?
- threat
- 2.Qxe5#
- 2.Qxf5#
- 1...Rxe4
- 2.Qxf5#
- 1...Bxe4
- 2.Qxe5#
- 1...Qd5
- 2.Sxd5#
- 2.Qxf5#
- 1...Qf7
- 2.Qxe5#
- 1...Qh7
- 2.Sd5#
- 2.Qxe5#
- 1...Qg4
- 2.Sd5#
- 2.Qxe5#
- 1...Qg5
- 2.Sd5#
- 2.Qxe5#
- 1...Qg6
- 2.Sd5#
- 2.Qxe5#
- 1...Qg7
- 2.Sd5#
- 2.Qxf5#
- 1...Qh8
- 2.Sd5#
- 2.Qxf5#
- 1...Bd6
- 2.Qxf5#
- 1...Be7
- 2.Qxf5#
- 1...Bg7
- 2.Qxf5#
- 1...Sd3
- 2.Qxf5#
- 1...Qe6!
- threat
- 1.Be6?
- threat
- 2.Sd5#
- 1...Qxe6
- 2.Sxe6#
- 1...Re4
- 2.Qxf5#
- 1...Be4!
- threat
- 1.Re6?
- threat
- 2.Sd5#
- 1...Qxe6
- 2.Sxe6#
- 1...Be4
- 2.Qxe5#
- 1...Re4!
- threat
- 1.Qg5+?
- 1...Qxg5
- 2.Sd5#
- 2.Se6#
- 1...hxg5!
- 1...Qxg5
- 1.Qxh6+?
- 1...Qg5
- 2.Sd5#
- 2.Se6#
- 2.Qxg5#
- 1...Bxh6!
- 1...Qg5
- 1.Qf7?
- threat
- 2.Sd5#
- 2.Se6#
- 1...Bxc5
- 2.Sd5#
- 1...Qg6
- 2.Sd5#
- 1...Re4
- 2.Se6#
- 2.Qxf5#
- 1...Be4
- 2.Se6#
- 1...e4
- 2.Sd5#
- 2.Qxf5#
- 1...Qxf7!
- threat
- 1.Sbd3+?
- Keys
- 1.Qe6!
- threat
- 2.Sd5#
- 1...Qxe6
- 2.Sxe6#
- 1...Re4
- 2.Qxf5#
- 1...Be4
- 2.Qxe5#
- threat
- 1.Qe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(k);N_GUARD::S(E),XQ(k)
- Q(k);N_GUARD::S(G),XQ(k)
- R(c);N_GUARD::QAB1(H),XP(g)
- R(c);P_PINS(E),S_CUTB(a)::QAR1(H),XP(h)
- B(a);N_GUARD::QAR1(H),XP(h)
- B(a);S_CUTR(c)::QAB1(H),XP(g)
- S(b);S_CUTR(c)::QAB1(H),XP(g)
- S(b);S_CUTB(a)::QAR1(H),XP(h)
- Tries
- Try
- S(E);CHECK
- Vars
- S(b);XS(E)::QAR1(H),XP(h)
- Refutation
- B(a);XS(E)
- Try
- S(G);CHECK
- Vars
- S(b);XS(G)::QAR1(H),XP(h)
- Refutation
- B(a);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(c);P_PINS(E),XS(G)::QAR1(H),XP(h)
- B(a);XS(G)::QAB1(H),XP(g)
- Q(k);::QAB1(H),XP(g)
- B(j);::QAR1(H),XP(h)
- S(b);::QAR1(H),XP(h)
- Refutation
- Q(k);
- Try
- B(I);
- Threat
- S(E)
- Vars
- Q(k);XB(I)::S(G),XQ(k)
- R(c);P_PINS(E),S_CUTB(a)::QAR1(H),XP(h)
- Refutation
- B(a);
- Try
- R(J);
- Threat
- S(E)
- Vars
- Q(k);XR(J)::S(G),XQ(k)
- B(a);S_CUTR(c)::QAB1(H),XP(g)
- Refutation
- R(c);P_PINS(E)
- Try
- Q(H);CHECK,N_PINP(h)
- Refutation
- P(i);XQ(H)
- Try
- Q(H);CHECK,N_PINP(h),XP(i)
- Refutation
- B(j);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(j);XS(G)::S(E)
- Q(k);::S(E)
- B(a);::S(G)
- Refutation
- Q(k);N_SPINP(h),XQ(H)
- Try
- Actual
- Q(H);N_PINP(h)
- Threat
- S(E)
- Vars
- Q(k);XQ(H)::S(G),XQ(k)
- R(c);P_PINS(E),S_CUTB(a)::QAR1(H),XP(h)
- B(a);S_CUTR(c)::QAB1(H),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).