MESON Chess Problem Database
Problem Display
PID: 61006 (1nR1K2B/4N3/3kP3/2NBR3/2P1p2p/2r4q/1r5p/1bn5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st Prize, Schweizerische Arbeiter Schachzeitung, 1971
#2
9 + 10
| 3753 | FIDE Album (1971-1973) | 1978 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg2
- 2.Sf5#
- 1...Qf5
- 2.Sxf5#
- 1...Qxe6
- 2.Rxe6#
- 1...Qd3
- 2.Sf5#
- 1...Qe3
- 2.Sf5#
- 1...Qg3
- 2.Sf5#
- 1...Ra2
- 2.Sb7#
- 1...Rbc2
- 2.Sxe4#
- 2.Sb7#
- 1...Rd2
- 2.Sb7#
- 1...Re2
- 2.Sb7#
- 1...Rf2
- 2.Sb7#
- 1...Rg2
- 2.Sb7#
- 1...Rb7
- 2.Sxb7#
- 1...Rcc2
- 2.Sxe4#
- 1...Rd3
- 2.Sxe4#
- 1...Ba2
- 2.Sxe4#
- 1...Sb3
- 2.Sb7#
- 1...Sd3
- 2.Sxe4#
- 1...Sa6
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Sd7
- 2.Rc6#
- 1...Qg2
- Tries
- 1.Bxe4?
- threat
- 2.Rd5#
- 1...Qxe6
- 2.Rxe6#
- 1...Bxe4
- 2.Sxe4#
- 1...Qf5
- 2.Sxf5#
- 1...Qd3
- 2.Sf5#
- 1...Rd2
- 2.Sb7#
- 1...Rd3!
- threat
- 1.Bc6?
- threat
- 2.Rd5#
- 1...Qf5
- 2.Sxf5#
- 1...Qd3
- 2.Sf5#
- 1...Rd2
- 2.Sb7#
- 1...Rd3
- 2.Sxe4#
- 1...Qxe6!
- threat
- 1.Bb7?
- threat
- 2.Rd5#
- 1...Qxe6
- 2.Rxe6#
- 1...Qf5
- 2.Sxf5#
- 1...Qd3
- 2.Sf5#
- 1...Rd3
- 2.Sxe4#
- 1...Rd2!
- threat
- 1.Rxe4?
- threat
- 2.Be5#
- 1...Qxe6
- 2.Rxe6#
- 1...Bxe4
- 2.Sxe4#
- 1...Sc6
- 2.Rxc6#
- 1...Qf5
- 2.Sxf5#
- 1...Qg3
- 2.Sf5#
- 1...Sd7
- 2.Rc6#
- 1...Sd3!
- threat
- 1.Rf5?
- threat
- 2.Be5#
- 1...Qxf5
- 2.Sxf5#
- 1...Sc6
- 2.Rxc6#
- 1...Sd3
- 2.Sxe4#
- 1...Sd7
- 2.Rc6#
- 1...Qg3!
- threat
- 1.Rg5?
- threat
- 2.Be5#
- 1...Sc6
- 2.Rxc6#
- 1...Qf5
- 2.Sxf5#
- 1...Qg3
- 2.Sf5#
- 1...Sd3
- 2.Sxe4#
- 1...Sd7
- 2.Rc6#
- 1...Qxe6!
- threat
- 1.Rh5?
- threat
- 2.Be5#
- 1...Sc6
- 2.Rxc6#
- 1...Qf5
- 2.Sxf5#
- 1...Qg3
- 2.Sf5#
- 1...Sd3
- 2.Sxe4#
- 1...Sd7
- 2.Rc6#
- 1...Qxe6!
- threat
- 1.Bxe4?
- Keys
- 1.Ba8!
- threat
- 2.Rd5#
- 1...Qxe6
- 2.Rxe6#
- 1...Qf5
- 2.Sxf5#
- 1...Qd3
- 2.Sf5#
- 1...Rd2
- 2.Sb7#
- 1...Rd3
- 2.Sxe4#
- threat
- 1.Ba8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 15
- Sets
- Q(f);N_GUARD::S(F)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);OGATE,P_PINS(F),XP(E)::R1(D),XQ(f)
- R(c);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(e);S_CUTB(a)::S(B),XP(g)
- B(a);N_GUARD::S(B),XP(g)
- S(b);S_CUTR(c)::S(B)
- S(b);S_CUTB(a)::S(B),XP(g)
- S(j);N_GUARD::R1(G)
- S(j);N_GUARD::R1(G),XS(j)
- Tries
- Try
- B(C);XP(g)
- Threat
- R1(D)
- Vars
- Q(f);OGATE,P_PINS(F),XP(E)::R1(D),XQ(f)
- B(a);XB(C)::S(B),XB(a)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- R(c);N_GUARD::S(B)
- Refutation
- R(e);
- Try
- B(C);
- Threat
- R1(D)
- Vars
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- R(c);N_GUARD::S(B)
- R(e);S_CUTB(a)::S(B),XP(g)
- Refutation
- Q(f);P_PINS(F),XP(E)
- Try
- B(C);
- Threat
- R1(D)
- Vars
- Q(f);OGATE,P_PINS(F),XP(E)::R1(D),XQ(f)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- R(e);S_CUTB(a)::S(B),XP(g)
- Refutation
- R(c);
- Try
- R(D);XP(g)
- Threat
- B(I)
- Vars
- Q(f);OGATE,P_PINS(F),XP(E)::R1(D),XQ(f)
- B(a);XR(D)::S(B),XB(a)
- S(j);N_GUARD::R1(G),XS(j)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- S(j);N_GUARD::R1(G)
- Refutation
- S(b);
- Try
- R(D);
- Threat
- B(I)
- Vars
- Q(f);XR(D)::S(F),XQ(f)
- S(j);N_GUARD::R1(G),XS(j)
- S(b);S_CUTB(a)::S(B),XP(g)
- S(j);N_GUARD::R1(G)
- Refutation
- Q(f);
- Try
- R(D);
- Threat
- B(I)
- Vars
- S(j);N_GUARD::R1(G),XS(j)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- S(b);S_CUTB(a)::S(B),XP(g)
- S(j);N_GUARD::R1(G)
- Refutation
- Q(f);P_PINS(F),XP(E)
- Try
- R(D);
- Threat
- B(I)
- Vars
- S(j);N_GUARD::R1(G),XS(j)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- S(b);S_CUTB(a)::S(B),XP(g)
- S(j);N_GUARD::R1(G)
- Refutation
- Q(f);P_PINS(F),XP(E)
- Try
- Actual
- B(C);
- Threat
- R1(D)
- Vars
- Q(f);OGATE,P_PINS(F),XP(E)::R1(D),XQ(f)
- Q(f);N_GUARD::S(F),XQ(f)
- Q(f);N_GUARD::S(F)
- R(c);N_GUARD::S(B)
- R(e);S_CUTB(a)::S(B),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).