MESON Chess Problem Database
Problem Display
PID: 160862 (8/5Kn1/1QpP3R/p2pk1B1/Rb4PN/2p5/6n1/1BNb4 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Problemisten, 1975
#2
10 + 9
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bb3
- 2.Sf3#
- 1...Bf3
- 2.Sxf3#
- 1...Bxa4
- 2.Sf3#
- 1...Ba3
- 2.Sd3#
- 2.Qd4#
- 1...Bc5
- 2.Sd3#
- 1...Bxd6
- 2.Sd3#
- 2.Sg6#
- 2.Bf6#
- 2.Qd4#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf4
- 2.Qe3#
- 1...Sxh4
- 2.Qe3#
- 1...Sf5
- 2.Re6#
- 1...Sh5
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Se8
- 2.Re6#
- 1...Bb3
- Tries
- 1.Se2?
- threat
- 2.Sf3#
- 2.Qd4#
- 1...Sxh4
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Bc2
- 2.Qd4#
- 1...Se6
- 2.Rxe6#
- 1...c2
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...Bc5
- 2.Sf3#
- 1...Se1
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Sf5
- 2.Sf3#
- 2.Re6#
- 1...c5
- 2.Sf3#
- 2.Sg6#
- 2.Bf6#
- 1...Bxe2!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 1...Bxb3
- 2.Sf3#
- 1...Se6
- 2.Rxe6#
- 1...d4
- 2.Qxd4#
- 1...Sf5
- 2.Re6#
- 1...c5
- 2.Sg6#
- 1...Bc5!
- threat
- 1.Sf5?
- threat
- 2.Qd4#
- 1...Sxf5
- 2.Re6#
- 1...d4
- 2.Qxd4#
- 1...Bc5
- 2.Sd3#
- 2.Bf6#
- 1...Se6
- 2.Rxe6#
- 1...c5!
- threat
- 1.Bf4+?
- 1...Sxf4
- 2.Qe3#
- 1...Kxf4!
- 1...Sxf4
- 1.Rxb4?
- threat
- 2.Sd3#
- 2.Qd4#
- 1...Se6
- 2.Rxe6#
- 1...d4
- 2.Qxd4#
- 2.Qc5#
- 1...Bc2
- 2.Sf3#
- 2.Qd4#
- 1...Be2
- 2.Qd4#
- 1...Se1
- 2.Bf4#
- 2.Qe3#
- 2.Qd4#
- 1...Sf4
- 2.Bxf4#
- 2.Qe3#
- 2.Qd4#
- 1...Sf5
- 2.Sd3#
- 2.Re6#
- 1...c5
- 2.Sd3#
- 2.Sg6#
- 2.Bf6#
- 1...axb4!
- threat
- 1.Qxb4?
- threat
- 2.Sd3#
- 2.Sg6#
- 2.Bf6#
- 2.Qd4#
- 1...Bxa4
- 2.Sd3#
- 2.Sf3#
- 2.Sg6#
- 2.Bf6#
- 1...Sxh4
- 2.Sd3#
- 2.Bf4#
- 2.Bf6#
- 2.Qd4#
- 2.Qf4#
- 1...d4
- 2.Qc5#
- 2.Qxd4#
- 1...Bc2
- 2.Sf3#
- 2.Bf6#
- 2.Qd4#
- 1...Be2
- 2.Sg6#
- 2.Bf6#
- 2.Qd4#
- 1...Se1
- 2.Sg6#
- 2.Bf4#
- 2.Bf6#
- 2.Qd4#
- 2.Qf4#
- 1...Sf4
- 2.Bxf4#
- 2.Bf6#
- 2.Qd4#
- 2.Qxf4#
- 1...Sf5
- 2.Sd3#
- 2.Sg6#
- 2.Bf6#
- 2.Re6#
- 1...Sh5
- 2.Sd3#
- 2.Sg6#
- 2.Re6#
- 2.Qd4#
- 1...Se6
- 2.Sd3#
- 2.Sg6#
- 2.Bf6#
- 2.Rxe6#
- 1...Se8
- 2.Sd3#
- 2.Sg6#
- 2.Re6#
- 2.Qd4#
- 1...c5
- 2.Sd3#
- 1...axb4!
- threat
- 1.Se2?
- Keys
- 1.Be3!
- threat
- 2.Qd4#
- 1...Sxe3
- 2.Qxe3#
- 1...Se6
- 2.Rxe6#
- 1...d4
- 2.Qxd4#
- 1...Bc5
- 2.Sd3#
- 1...Sf5
- 2.Re6#
- 1...c5
- 2.Sg6#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- B(a);N_GUARD::S(E)
- B(a);N_GUARD::S(E),XB(a)
- B(a);N_GUARD,XR(C)::S(E)
- B(d);::S(B)
- S(b);N_GUARD::QAR2(G)
- S(b);N_GUARD::QAR2(G),XS(b)
- S(b);N_GUARD,XS(E)::QAR2(G)
- S(i);N_GUARD::R1(I)
- S(i);N_GUARD::R1(I),XS(i)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(G)
- S(i);N_GUARD::R1(I),XS(i)
- P(c);::QAB1(G)
- P(f);::QAB1(G),XP(f)
- B(d);::S(E)
- Refutation
- B(a);XS(B)
- Try
- S(B);
- Threat
- QAB1(G)
- Vars
- B(a);N_GUARD,XS(B)::S(E)
- S(i);N_GUARD::R1(I),XS(i)
- P(f);::QAB1(G),XP(f)
- S(i);N_GUARD::R1(I)
- P(h);::S(E)
- Refutation
- B(d);
- Try
- S(E);
- Threat
- QAB1(G)
- Vars
- S(i);N_GUARD,XS(E)::R1(I)
- P(f);::QAB1(G),XP(f)
- S(i);N_GUARD::R1(I),XS(i)
- Refutation
- P(h);
- Try
- B(F);CHECK
- Vars
- S(b);XB(F)::QAR2(G)
- Refutation
- K(g);P_SPINB(d),S_FLIGHT,XB(F)
- Try
- R(C);XB(d)
- Threat
- DUALS(2)
- Vars
- S(i);N_GUARD::R1(I),XS(i)
- B(a);::QAB1(G)
- Refutation
- P(e);XR(C)
- Try
- Q(G);XB(d)
- Threat
- DUALS(4)
- Vars
- P(h);::S(B)
- Refutation
- P(e);XQ(G)
- Try
- Actual
- B(F);
- Threat
- QAB1(G)
- Vars
- S(b);OGATE,XB(F)::QAR2(G),XS(b)
- S(i);N_GUARD::R1(I),XS(i)
- P(f);::QAB1(G),XP(f)
- B(d);::S(B)
- S(i);N_GUARD::R1(I)
- P(h);::S(E)
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).