MESON Chess Problem Database
Problem Display
PID: 119979 (8/3p1N2/3Pp2B/1p6/1P1pk3/b4R2/Q7/7K w - - 0 1)
Fleckner, Otto
Deutsches Wochenschach, 1913
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxf3
- 2.Qg2#
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...Bxb4
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...Kxf3
- Tries
- 1.Kg1?
- 1...Kxf3
- 2.Qg2#
- 1...Bxb4
- 2.Qa8#
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...d3!
- 1...Kxf3
- 1.Kg2?
- 1...Bxb4
- 2.Qa8#
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...d3!
- 1...Bxb4
- 1.Kh2?
- 1...Kxf3
- 2.Qg2#
- 1...Bxb4
- 2.Qa8#
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...d3!
- 1...Kxf3
- 1.Bd2?
- 1...Bxb4
- 2.Qa8#
- 1...d3
- 2.Rf4#
- 1...Bc1
- 2.Qa8#
- 1...Bb2
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...Kxf3!
- 1...Bxb4
- 1.Bg7?
- threat
- 2.Sg5#
- 1...Bc1
- 2.Qa8#
- 1...Kxf3!
- threat
- 1.Qb3?
- threat
- 2.Rf4#
- 1...d3
- 2.Qxd3#
- 1...e5
- 2.Sg5#
- 1...Bc1!
- threat
- 1.Qc2+?
- 1...Kxf3
- 2.Qg2#
- 1...d3
- 2.Qxd3#
- 1...Kd5!
- 1...Kxf3
- 1.Qxa3?
- threat
- 2.Qa8#
- 1...d3
- 2.Qxd3#
- 1...Kd5!
- threat
- 1.Kg1?
- Keys
- 1.Bc1!
- 1...Kxf3
- 2.Qg2#
- 1...Bxc1
- 2.Qa8#
- 1...Bxb4
- 2.Qa8#
- 1...d3
- 2.Rf4#
- 1...Bb2
- 2.Qa8#
- 1...e5
- 2.Sg5#
- 1...Kxf3
- 1.Bc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- B(a);OGATE::QAB(B)
- B(a);OGATE,XP(D)::QAB(B)
- P(e);SBLOCK::S(G)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- B(a);OGATE,XP(D)::QAB(B)
- B(a);OGATE::QAB(B)
- P(e);SBLOCK::S(G)
- Refutation
- P(b);
- Try
- K(A);S_FLIGHT
- Vars
- B(a);OGATE,XP(D)::QAB(B)
- B(a);OGATE::QAB(B)
- P(e);SBLOCK::S(G)
- Refutation
- P(b);
- Try
- K(A);P-FLIGHT
- Vars
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- B(a);OGATE,XP(D)::QAB(B)
- B(a);OGATE::QAB(B)
- P(e);SBLOCK::S(G)
- Refutation
- P(b);
- Try
- B(F);
- Vars
- B(a);OGATE,XP(D)::QAB(B)
- P(b);SBLOCK::R1(C)
- B(a);OGATE::QAB(B)
- P(e);SBLOCK::S(G)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- B(F);
- Threat
- S(G)
- Vars
- B(a);OGATE::QAB(B)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- Q(B);
- Threat
- R1(C)
- Vars
- P(b);::QAB1(B),XP(b)
- P(e);SBLOCK::S(G)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Vars
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- P(b);P_SPINP(b)::QAB1(B),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);XB(a)
- Threat
- QAB(B)
- Vars
- P(b);::QAB1(B),XP(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(F);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(B)
- B(a);OGATE,XB(F)::QAB(B)
- B(a);OGATE,XP(D)::QAB(B)
- P(b);SBLOCK::R1(C)
- B(a);OGATE::QAB(B)
- P(e);SBLOCK::S(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).