MESON Chess Problem Database
Problem Display
PID: 186807 (6B1/p1R5/K2pq3/N2k1n2/3P4/p4P2/2RpNn1B/2b3Q1 w - - 0 1)
Witt, Andreas
Freie Presse, 2000
(First published on Fri Jun 2 2000)
#2
10 + 9
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Qf7
- 2.Bxf7#
- 1...Qxg8
- 2.Qxg8#
- 1...Sd1
- 2.Sf4#
- 1...Sh1
- 2.Sc3#
- 2.Sf4#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...Sg4
- 2.Sc3#
- 2.Sf4#
- 1...Sxd4
- 2.Sc3#
- 1...Qf7
- Tries
- 1.Sb3?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Qxg8
- 2.Sf4#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 1...Qf7
- 2.Sf4#
- 2.Bxf7#
- 1...d1Q
- 2.Sc3#
- 1...d1B
- 2.Sc3#
- 1...d1R
- 2.Sc3#
- 1...Bb2
- 2.Sf4#
- 1...Sd1
- 2.Sf4#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...d1S!
- threat
- 1.Sc6?
- threat
- 2.Sf4#
- 2.Sb4#
- 1...Qxg8
- 2.Sf4#
- 2.Qxg8#
- 1...Qf7
- 2.Sf4#
- 2.Bxf7#
- 1...d1Q
- 2.Sb4#
- 1...d1S
- 2.Sb4#
- 1...d1B
- 2.Sb4#
- 1...d1R
- 2.Sb4#
- 1...Sh3
- 2.Sb4#
- 1...Sd3!
- threat
- 1.Rxd2?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Qxg8
- 2.Sf4#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 2.Rxd4#
- 2.Qg5#
- 1...Qf7
- 2.Sf4#
- 2.Bxf7#
- 1...Bb2
- 2.Sf4#
- 1...Sd1
- 2.Sf4#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...Bxd2!
- threat
- 1.R2c4?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Qxg8
- 2.Sf4#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 2.Rxd4#
- 1...Qf7
- 2.Sf4#
- 2.Bxf7#
- 1...d1Q
- 2.Sc3#
- 1...d1B
- 2.Sc3#
- 1...d1R
- 2.Sc3#
- 1...Bb2
- 2.Sf4#
- 1...Sd1
- 2.Sf4#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...d1S!
- threat
- 1.R7c4?
- threat
- 2.Sc3#
- 2.Sf4#
- 1...Qxg8
- 2.Sf4#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 2.Rxd4#
- 1...Qf7
- 2.Sf4#
- 2.Bxf7#
- 1...d1Q
- 2.Sc3#
- 1...d1B
- 2.Sc3#
- 1...d1R
- 2.Sc3#
- 1...Bb2
- 2.Sf4#
- 1...Sd1
- 2.Sf4#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...d1S!
- threat
- 1.Rb7?
- threat
- 2.Rb5#
- 1...Qxg8
- 2.Qxg8#
- 1...Qf7
- 2.Bxf7#
- 1...Sd3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- 1...Sxd4!
- threat
- 1.Qg4?
- threat
- 2.Sc3#
- 2.Qxf5#
- 1...Qxg8
- 2.Qxf5#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 2.Qxd4#
- 1...Qf7
- 2.Bxf7#
- 2.Qxf5#
- 1...d1S
- 2.Qxf5#
- 1...Bb2
- 2.Qxf5#
- 1...Sd1
- 2.Qxf5#
- 2.Qe4#
- 1...Sd3
- 2.Sc3#
- 2.Qe4#
- 1...Se4
- 2.Qxf5#
- 2.Qxe4#
- 2.fxe4#
- 1...Se3
- 2.Sc3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg3
- 2.Sc3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Sh4
- 2.Sc3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Sh6
- 2.Sc3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Se7
- 2.Sc3#
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg7
- 2.Sc3#
- 1...Sxg4!
- threat
- 1.Qg6?
- threat
- 2.Bxe6#
- 2.Qxf5#
- 2.Qxe6#
- 1...Qxg8
- 2.Qxf5#
- 2.Qxg8#
- 1...Sxd4
- 2.Sc3#
- 1...Qf7
- 2.Bxf7#
- 2.Qxf5#
- 2.Qxf7#
- 1...Sd3
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg4
- 2.Bxe6#
- 2.Qxe6#
- 1...Se3
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg3
- 2.Bxe6#
- 2.Qxe6#
- 1...Sh4
- 2.Bxe6#
- 2.Qxe6#
- 1...Sh6
- 2.Bxe6#
- 2.Qxe6#
- 1...Se7
- 2.Bxe6#
- 2.Qxe6#
- 1...Sg7!
- threat
- 1.Sb3?
- Keys
- 1.Rd7!
- threat
- 2.Rc5#
- 1...Qxg8
- 2.Qxg8#
- 1...Sxd4
- 2.Rxd6#
- 1...Qf7
- 2.Bxf7#
- 1...Sd3
- 2.Sc3#
- 1...Se4
- 2.Sf4#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(h);OGATEB::B(J),XQ(h)
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(A),XQ(h)
- S(c);::S(C)
- S(f);SBLOCK,XP(F)::S(C)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(f);XP(F)::S(C)
- P(b);::S(C)
- B(a);::S(C)
- S(c);::S(C)
- Refutation
- P(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- P(b);::S(G)
- S(c);::S(G)
- Refutation
- S(c);
- Try
- R(B);XP(b)
- Threat
- DUALS(2)
- Vars
- B(a);::S(C)
- S(c);::S(C)
- Refutation
- B(a);XR(B)
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- P(b);::S(C)
- B(a);::S(C)
- S(c);::S(C)
- Refutation
- P(b);
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- P(b);::S(C)
- B(a);::S(C)
- S(c);::S(C)
- Refutation
- P(b);
- Try
- R(I);
- Threat
- R(I)
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(A),XQ(h)
- Q(h);OGATEB::B(J),XQ(h)
- S(c);::S(C)
- Refutation
- S(f);XP(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);::QAR2(A),XS(f)
- B(a);::QAR2(A),XS(f)
- S(f);::S(C)
- Refutation
- S(c);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(f);SBLOCK,XP(F)::S(C)
- Refutation
- S(f);
- Try
- Actual
- R(I);P_PINP(g)
- Threat
- R1(B)
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(A),XQ(h)
- S(f);N_GUARD,XP(F)::R1(I),XP(g)
- Q(h);OGATEB::B(J),XQ(h)
- S(c);::S(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).