MESON Chess Problem Database
Problem Display
PID: 135307 (2R1n3/1nb1P3/KP3p2/1RNN4/1Pk1b1BQ/P3P3/2P1p3/B7 w - - 0 1)
Bruch, Wieland
2nd Prize, Pat a Mat, 2003
#2
14 + 7
| 23 | Die Schwalbe | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd5
- 2.Bxe2#
- 1...Bxb6
- 2.Sxb6#
- 1...Sxc5+
- 2.Rxc5#
- 1...Bxd5
- Tries
- 1.Sa4?
- threat
- 2.Sb2#
- 2.Bxe2#
- 1...Sc5+
- 2.Rxc5#
- 1...Bxd5
- 2.Bxe2#
- 2.Be6#
- 1...e1Q
- 2.Sb2#
- 1...e1S
- 2.Sb2#
- 1...e1B
- 2.Sb2#
- 2.Be2#
- 1...e1R
- 2.Sb2#
- 1...Bf3
- 2.Sb2#
- 2.Bxf3#
- 1...Bxc2!
- threat
- 1.Sxe4?
- threat
- 2.Sd2#
- 2.Bxe2#
- 1...Sc5+
- 2.Rxc5#
- 1...e1S
- 2.Sd2#
- 1...e1B
- 2.Be2#
- 1...e1R
- 2.Sd2#
- 1...e1Q!
- threat
- 1.Sxb7?
- threat
- 2.Sa5#
- 2.Bxe2#
- 2.Rc5#
- 1...e1Q
- 2.Sa5#
- 2.Rc5#
- 1...e1S
- 2.Sa5#
- 2.Rc5#
- 1...e1B
- 2.Sa5#
- 2.Be2#
- 2.Rc5#
- 1...e1R
- 2.Sa5#
- 2.Rc5#
- 1...Bf3
- 2.Sa5#
- 2.Bxf3#
- 2.Rc5#
- 1...Bxc2!
- threat
- 1.Sc3?
- threat
- 2.Bxe2#
- 2.Be6#
- 1...Sxc5+
- 2.Rxc5#
- 1...e1Q
- 2.Be6#
- 1...e1S
- 2.Be6#
- 1...e1B
- 2.Be2#
- 2.Be6#
- 1...e1R
- 2.Be6#
- 1...Bd3
- 2.Be6#
- 2.cxd3#
- 1...Bf3
- 2.Be6#
- 1...Bd5
- 2.Bxe2#
- 1...Bf5
- 2.Bxe2#
- 1...Sd8
- 2.Bxe2#
- 1...Sg7
- 2.Bxe2#
- 1...f5
- 2.Bxe2#
- 1...Bf4!
- threat
- 1.Sxc7?
- threat
- 2.Bxe2#
- 2.Be6#
- 1...Sxc5+
- 2.Rxc5#
- 1...e1Q
- 2.Be6#
- 1...e1S
- 2.Be6#
- 1...e1B
- 2.Be2#
- 2.Be6#
- 1...e1R
- 2.Be6#
- 1...Bf3
- 2.Bxf3#
- 2.Be6#
- 1...Bf5
- 2.Bxe2#
- 2.Bxf5#
- 1...Sd8
- 2.Bxe2#
- 1...Sg7
- 2.Bxe2#
- 1...f5
- 2.Bxe2#
- 1...Sxc7+!
- threat
- 1.Be6?
- threat
- 2.Sc3#
- 2.Sxf6#
- 2.Sxc7#
- 2.Qxe4#
- 1...Sxc5+
- 2.Rxc5#
- 1...Bxb6
- 2.Sc3#
- 2.Sxb6#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Bh2
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Bg3
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Be5
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 1...Bd6
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Bb8
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Bd8
- 2.Sc3#
- 2.Sxf6#
- 2.Sc7#
- 2.Qxe4#
- 1...Sbd6
- 2.Sc3#
- 2.Sxf6#
- 2.Sxc7#
- 1...Sd8
- 2.Qxe4#
- 1...Sed6
- 2.Sc3#
- 2.Sxf6#
- 2.Sxc7#
- 1...Sg7
- 2.Qxe4#
- 1...f5
- 2.Sc3#
- 2.Sf6#
- 2.Sxc7#
- 1...Bf4!
- threat
- 1.Sa4?
- Keys
- 1.Sd3!
- threat
- 2.Sb2#
- 1...Sc5+
- 2.Rxc5#
- 1...Bxd3
- 2.Bxe2#
- 1...Bxd5
- 2.Be6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(c);SBLOCK,XS(J)::QAR(G)+B(F),DCHECK,XP(a)
- B(f);XP(L)::S(J),XB(f)
- S(e);CHECK,OGATE,XS(I)::R1(H),XS(e)
- Tries
- Try
- S(I);P_PINB(f)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD,N_SPINB(f)::R1(H),XS(e)
- P(a);::S(I)
- Refutation
- B(c);XP(B)
- Try
- S(I);P_PINB(f),XB(c)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD,N_SPINB(f)::R1(H),XS(e)
- P(a);::S(I)
- P(a);::B(F)
- Refutation
- P(a);
- Try
- S(I);P_PINB(f),XS(e)
- Threat
- DUALS(3)
- Refutation
- B(c);XP(B)
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,OGATE,XS(I)::R1(H),XS(e)
- P(a);::B(F)
- B(c);::QAR(G)+B(F),DCHECK
- B(c);::QAR(G)+B(F),DCHECK,XP(a)
- S(e);::B(F),XP(a)
- S(g);::B(F),XP(a)
- P(d);::B(F),XP(a)
- Refutation
- B(f);
- Try
- S(J);XB(f)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,OGATE,XS(I)::R1(H),XS(e)
- P(a);::B(F)
- S(e);::B(F),XP(a)
- S(g);::B(F),XP(a)
- P(d);::B(F),XP(a)
- Refutation
- S(g);CHECK,XS(J)
- Try
- B(F);P_PINB(c)
- Threat
- DUALS(4)
- Vars
- S(e);CHECK,OGATE,XS(I)::R1(H),XS(e)
- S(e);::QAR2(G),XB(c)
- S(g);::QAR2(G),XB(c)
- Refutation
- B(f);N_SPINB(c)
- Try
- Actual
- S(I);P_PINB(f)
- Threat
- S(I)
- Vars
- S(e);CHECK,N_GUARD,N_SPINB(f)::R1(H),XS(e)
- B(c);OGATEB,XS(I)::QAR(G)+B(F),XP(a)
- B(c);OGATEB,XS(J)::QAR(G)+B(F)
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).