MESON Chess Problem Database
Problem Display
PID: 82145 (8/2N2r2/5pQp/1NpbkB2/6nR/2K2Pbq/3P3n/B7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Magyar Sakkelet, 1971
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Kc2#
- 2.Kd3#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...Bf4
- Tries
- 1.Bc2?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Be6
- 2.Qe4#
- 1...Se3
- 2.Kd3#
- 1...f5
- 2.Qd6#
- 1...Sf2!
- threat
- 1.Bd3?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Be6
- 2.Qe4#
- 1...Sf2
- 2.Kc2#
- 1...f5
- 2.Qd6#
- 1...Se3!
- threat
- 1.Be4?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Bxe4
- 2.Qxe4#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...f5
- 2.Qd6#
- 1...Be6!
- threat
- 1.Be6?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Bxe6
- 2.Qe4#
- 1...Be4
- 2.Qxe4#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...f5!
- threat
- 1.Bd7?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Be6
- 2.Qe4#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...f5
- 2.Qd6#
- 1...Rxd7!
- threat
- 1.Bc8?
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Be6
- 2.Qe4#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...f5
- 2.Qd6#
- 1...Rd7!
- threat
- 1.Bc2?
- Keys
- 1.Bb1!
- threat
- 2.Qf5#
- 1...Kf4
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Be6
- 2.Qe4#
- 1...Sf2
- 2.Kc2#
- 1...Se3
- 2.Kd3#
- 1...f5
- 2.Qd6#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(d);::B(A)+K(C)
- Tries
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- B(f);N_GUARD::QAR1(H)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- B(f);N_GUARD::QAR1(H)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
- Refutation
- S(d);
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);OGATE,XB(G)::QAR1(H),XB(f)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD,XB(G)::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- S(d);::B(A)+K(C)
- Refutation
- P(h);
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- B(f);N_GUARD::QAR1(H)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
- Refutation
- R(j);XB(G)
- Try
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- B(f);N_GUARD::QAR1(H)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
- Refutation
- R(j);
- Try
- Actual
- B(G);
- Threat
- QAR1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- B(f);N_GUARD::QAR1(H),XB(f)
- B(f);N_GUARD::QAR1(H)
- S(d);::B(A)+K(C)
- P(h);OGATE::QAB1(H)
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).