MESON Chess Problem Database
Problem Display
PID: 207101 (5N1B/3p4/Qp2P3/RNbn1k2/2p3pP/2PnR1Kb/8/3B4 w - - 0 1)
Pongracz, Arnold
Deutsche Schachzeitung, 1866
#2
11 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Bxg4#
- 1...Bg2
- 2.Bxg4#
- 1...Ba3
- 2.Sd4#
- 1...Bxe3
- 2.Sd6#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sd6#
- 1...Bd6+
- 2.Sxd6#
- 1...Be7
- 2.Sd4#
- 1...Sc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...S3b4
- 2.Re5#
- 1...S3f4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sxc3
- 2.Sd4#
- 2.Sd6#
- 1...Sxe3
- 2.Sd6#
- 1...S5b4
- 2.Sd4#
- 2.Sd6#
- 1...S5f4
- 2.Sd4#
- 2.Sd6#
- 1...Sf6
- 2.Sd4#
- 2.Sd6#
- 1...Sc7
- 2.Sd4#
- 2.Sd6#
- 1...Se7
- 2.Sd4#
- 2.Sd6#
- 1...Bf1
- Tries
- 1.exd7?
- 1...Bd6+
- 2.Sxd6#
- 1...Bxe3
- 2.Sd6#
- 1...Sxc3
- 2.Sd4#
- 2.Sd6#
- 1...Sxe3
- 2.Sd6#
- 1...bxa5
- 2.Qe6#
- 2.Qg6#
- 1...Bf1
- 2.Bxg4#
- 1...Bg2
- 2.Bxg4#
- 1...Ba3
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sd6#
- 1...Be7
- 2.Sd4#
- 1...Sc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...S3b4
- 2.Re5#
- 1...S3f4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...S5b4
- 2.Sd4#
- 2.Sd6#
- 1...S5f4
- 2.Sd4#
- 2.Sd6#
- 1...Sf6
- 2.Sd4#
- 2.Sd6#
- 1...Sc7
- 2.Sd4#
- 2.Sd6#
- 1...Se7
- 2.Sd4#
- 2.Sd6#
- 1...Bxf8!
- 1...Bd6+
- 1.exd7?
- Keys
- 1.e7!
- 1...Bd6+
- 2.Sxd6#
- 1...Bxe3
- 2.Sd6#
- 1...Bxe7
- 2.Sd4#
- 1...Sxc3
- 2.Sd4#
- 2.Sd6#
- 1...Sxe3
- 2.Sd6#
- 1...Sxe7
- 2.Sd4#
- 2.Sd6#
- 1...bxa5
- 2.Qg6#
- 1...d6
- 2.Qc8#
- 1...Bf1
- 2.Bxg4#
- 1...Bg2
- 2.Bxg4#
- 1...Ba3
- 2.Sd4#
- 1...Bb4
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 2.Sd6#
- 1...Sc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sb2
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...S3b4
- 2.Re5#
- 1...S3f4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...S5b4
- 2.Sd4#
- 2.Sd6#
- 1...S5f4
- 2.Sd4#
- 2.Sd6#
- 1...Sf6
- 2.Sd4#
- 2.Sd6#
- 1...Sc7
- 2.Sd4#
- 2.Sd6#
- 1...Bd6+
- 1.e7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::B(A),XP(d)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD,XR(C)::S(G)
- B(e);CHECK,N_GUARD::S(G),XB(e)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- S(f);S_CUTB(e),XR(C)::S(G)
- Tries
- Try
- P(I);XP(i)
- Vars
- B(e);CHECK,N_GUARD::S(G),XB(e)
- B(e);N_GUARD,XR(C)::S(G)
- S(f);S_CUTB(e),XR(C)::S(G)
- B(b);N_GUARD::B(A),XP(d)
- B(e);N_GUARD::S(G)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- Refutation
- B(e);XS(J)
- Try
- Actual
- P(I);
- Vars
- B(e);CHECK,N_GUARD::S(G),XB(e)
- B(e);N_GUARD,XR(C)::S(G)
- B(e);N_GUARD,XP(I)::S(G)
- S(f);S_CUTB(e),XR(C)::S(G)
- P(h);OGATE,XR(F)::QAB1(H)
- P(i);OGATEB::QAB(H)
- B(b);N_GUARD::B(A),XP(d)
- B(e);N_GUARD::S(G)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
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).