MESON Chess Problem Database
Problem Display
PID: 196765 (5k2/1R3Pp1/5Pn1/p3p3/K2BP3/8/3Q4/8 w - - 0 1)
von Gottschall, Hermann
3rd Prize, Otto Fuss Ty., 1919
#2
7 + 5
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Bc5#
- 1...Sh4
- 2.Bc5#
- 1...Sh8
- 2.Bc5#
- 1...gxf6
- 2.Qh6#
- 1...Sf4
- Tries
- 1.Ba1?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Bg1?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Bb2?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Bf2?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Bc3?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Be3?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Bh6#
- 1...Se7!
- threat
- 1.Bxe5?
- threat
- 2.Qd8#
- 2.fxg7#
- 1...Sxe5
- 2.Qd6#
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Bb6?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Ba7?
- threat
- 2.Qd8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Qc1?
- threat
- 2.Qc8#
- 1...gxf6
- 2.Qh6#
- 1...Se7!
- threat
- 1.Qb4+?
- 1...Se7
- 2.Qxe7#
- 1...axb4!
- 1...Se7
- 1.Qg5?
- 1...gxf6
- 2.Qh6#
- 1...Se7
- 2.Qxg7#
- 1...Sf4
- 2.Bc5#
- 2.Qxg7#
- 2.fxg7#
- 1...Sh4
- 2.Bc5#
- 2.Qxg7#
- 2.fxg7#
- 1...Sh8
- 2.Bc5#
- 2.Qxg7#
- 2.fxg7#
- 1...exd4!
- 1...gxf6
- 1.Qh6?
- threat
- 2.Qxg7#
- 2.fxg7#
- 1...Se7
- 2.Qxg7#
- 1...gxh6!
- threat
- 1.Qa2?
- threat
- 2.Rb8#
- 1...Se7
- 2.fxe7#
- 1...gxf6!
- threat
- 1.Qh2?
- 1...exd4
- 2.Qb8#
- 1...gxf6
- 2.Qh6#
- 1...Sf4
- 2.Bc5#
- 2.Qh8#
- 1...Sh4
- 2.Bc5#
- 1...Sh8
- 2.Bc5#
- 2.Qxh8#
- 1...Se7!
- 1...exd4
- 1.Ba1?
- Keys
- 1.Qf4!
- 1...Sxf4
- 2.Bc5#
- 1...exd4
- 2.Qb8#
- 1...exf4
- 2.fxg7#
- 1...gxf6
- 2.Qh6#
- 1...Se7
- 2.fxe7#
- 1...Sh4
- 2.Bc5#
- 1...Sh8
- 2.Bc5#
- 1...Sxf4
- 1.Qf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(c);N_GUARD::B(C)
- P(d);OGATEB,XP(E)::QAB(A)
- Tries
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::B(C)
- Refutation
- S(c);
- Try
- B(C);XP(b)
- Threat
- DUALS(2)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- B(C);
- Threat
- QAR2(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- Refutation
- S(c);
- Try
- Q(A);CHECK
- Vars
- S(c);N_GUARD,P_SPINS(c)::QAB1(A),XS(c)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);
- Vars
- P(d);OGATEB,XP(E)::QAB(A)
- S(c);OGATE::QAB1(A),XP(d)
- Refutation
- P(b);XB(C)
- Try
- Q(A);P_PINP(d)
- Threat
- DUALS(2)
- Vars
- S(c);::QAB1(A),XP(d)
- Refutation
- P(d);N_SPINP(d),XQ(A)
- Try
- Q(A);
- Threat
- R(F)
- Vars
- S(c);OGATE::P(E),XS(c)
- Refutation
- P(d);XP(E)
- Try
- Q(A);
- Vars
- P(b);OGATE,XB(C)::QAR(A)
- P(d);OGATEB,XP(E)::QAB(A)
- S(c);N_GUARD::B(C)
- Refutation
- S(c);
- Try
- Actual
- Q(A);
- Vars
- S(c);N_GUARD,XQ(A)::B(C)
- P(b);OGATE,XB(C)::QAR(A)
- P(b);XQ(A)::P(E),XP(d)
- P(d);OGATEB,XP(E)::QAB(A)
- S(c);OGATE::P(E),XS(c)
- S(c);N_GUARD::B(C)
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).