MESON Chess Problem Database
Problem Display
PID: 232444 (1Q2N2B/8/2p5/3p1p1B/K2Nk3/p4Rq1/Rb3P1n/7b w - - 0 1)
Dietrich, Albert
Freie Presse, 1978
#2
9 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Sd6#
- 2.Qf4#
- 2.Qe5#
- 1...Qf4
- 2.Qxf4#
- 1...Qh4
- 2.Sd6#
- 2.Re3#
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qd6
- 2.Sxd6#
- 1...Qg1
- 2.Sd6#
- 2.Re3#
- 2.Qf4#
- 2.Qe5#
- 1...Qg2
- 2.Sd6#
- 2.Re3#
- 2.Qf4#
- 2.Qe5#
- 1...Qh3
- 2.Sd6#
- 2.Qf4#
- 2.Qe5#
- 1...Qg4
- 2.Sd6#
- 2.Re3#
- 2.Qe5#
- 1...Qg5
- 2.Sd6#
- 2.Qe5#
- 1...Qg6
- 2.Re3#
- 2.Qf4#
- 2.Qe5#
- 1...Qg7
- 2.Qf4#
- 1...Qg8
- 2.Sd6#
- 2.Re3#
- 2.Qf4#
- 2.Qe5#
- 1...Ba1
- 2.Re2#
- 2.Qb1#
- 1...Bc1
- 2.Qb1#
- 1...Bc3
- 2.Re2#
- 2.Qb1#
- 1...Bxd4
- 2.Qb1#
- 1...f4
- 2.Sd6#
- 2.Qe5#
- 1...Qxf2
- Tries
- 1.Sb3?
- threat
- 2.Sd2#
- 2.Sc5#
- 1...Qxf2
- 2.Sd6#
- 2.Qf4#
- 1...Qxf3
- 2.Sc5#
- 1...Bxf3
- 2.Sc5#
- 1...Bxh8
- 2.Re2#
- 1...Sxf3
- 2.Sc5#
- 1...Qg4
- 2.Sd2#
- 2.Re3#
- 1...Sg4
- 2.Sd2#
- 1...d4
- 2.Sf6#
- 1...f4
- 2.Sd6#
- 1...Qf4
- 2.Sc5#
- 2.Qxf4#
- 1...Qd6
- 2.Sd2#
- 2.Sxd6#
- 1...Qg5
- 2.Sc5#
- 2.Sd6#
- 1...Qg7
- 2.Re3#
- 2.Qf4#
- 1...Bc1
- 2.Sc5#
- 2.Sf6#
- 1...Bc3
- 2.Sc5#
- 2.Re2#
- 1...Bd4
- 2.Sd2#
- 1...Be5
- 2.Re2#
- 1...Bf6
- 2.Sxf6#
- 2.Re2#
- 1...Bg7
- 2.Re2#
- 1...Sf1
- 2.Sc5#
- 1...c5
- 2.Sd2#
- 2.Sxc5#
- 1...Qe5!
- threat
- 1.Qb3?
- threat
- 2.Qc2#
- 2.Qd3#
- 2.Qe3#
- 1...Qxf2
- 2.Sd6#
- 2.Qd3#
- 1...Bxf3
- 2.Qe3#
- 1...Bxd4
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Sxf3
- 2.Qe3#
- 1...Qe5
- 2.Qd3#
- 2.Qe3#
- 1...Qg7
- 2.Qe3#
- 1...Qf4
- 2.Qc2#
- 2.Qd3#
- 1...Qg5
- 2.Sd6#
- 2.Qc2#
- 2.Qd3#
- 1...Bc1
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Bc3
- 2.Re2#
- 2.Qc2#
- 2.Qb1#
- 1...Sf1
- 2.Qc2#
- 2.Qd3#
- 1...Sg4
- 2.Qc2#
- 2.Qd3#
- 1...f4
- 2.Sd6#
- 2.Qc2#
- 2.Qd3#
- 1...Qxf3!
- threat
- 1.Sb3?
- Keys
- 1.Se6!
- threat
- 2.Sc5#
- 1...Qxf2
- 2.Sg5#
- 2.Sd6#
- 2.Qf4#
- 1...Bxh8
- 2.Re2#
- 1...Qg4
- 2.Re3#
- 1...Sg4
- 2.Sg5#
- 1...d4
- 2.Sf6#
- 1...f4
- 2.Sd6#
- 1...Qe5
- 2.Re3#
- 1...Qd6
- 2.Sg5#
- 2.Sxd6#
- 2.Re3#
- 1...Qg7
- 2.Re3#
- 2.Qf4#
- 1...Bd4
- 2.Qb1#
- 1...Be5
- 2.Re2#
- 2.Qb1#
- 1...Bf6
- 2.Sxf6#
- 2.Re2#
- 1...Bg7
- 2.Re2#
- 1...c5
- 2.Sxc5#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- Q(e);N_GUARD::QAR1(G),XQ(e)
- Q(e);N_GUARD::S(H),XQ(e)
- Q(e);N_GUARD::QAR1(G)
- B(b);OGATE::QAB(G)
- B(b);OGATE,XS(E)::QAB(G)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(e);XR(C)::S(E)
- B(a);XR(C)::S(E)
- B(b);OGATE,XB(I)::R(A)
- S(c);XR(C)::S(E)
- S(c);::S(E)
- P(g);S_CUTB(b)::S(H)
- P(h);S_CUTQ(e)::S(H)
- B(b);::S(E)
- B(b);OGATE::R(A)
- Refutation
- Q(e);
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- B(a);XR(C)::QAR1(G)
- S(c);XR(C)::QAR1(G)
- Q(e);::QAR1(G)
- Refutation
- Q(e);XR(C)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- B(b);OGATE,XB(I)::R(A)
- Q(e);N_GUARD::R1(C)
- S(c);S_CUTQ(e)::S(E)
- P(g);S_CUTB(b)::S(H)
- P(h);S_CUTQ(e)::S(H)
- B(b);OGATE::QAB(G)
- B(b);OGATE::R(A)
- P(i);::S(E),XP(i)
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).