MESON Chess Problem Database
Problem Display
PID: 145865 (Q7/5N1B/2P3n1/5R1R/3Pk1r1/p2N4/bqp1PPp1/B1b3K1 w - - 0 1)
Bruch, Wieland
1st Prize, Sachsische Zeitung, 2008
#2
12 + 9
| 23 | Die Schwalbe | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sc5#
- 2.Sd6#
- 2.Re5#
- 1...Qb3
- 2.Sc5#
- 2.Sd6#
- 2.Re5#
- 1...Qb4
- 2.Re5#
- 1...Qb5
- 2.Sd6#
- 1...Qb6
- 2.Sd6#
- 2.Re5#
- 1...Qb7
- 2.Sc5#
- 2.Sd6#
- 2.Re5#
- 1...Qb8
- 2.Sc5#
- 1...Sf4
- 2.Rxf4#
- 1...Sh4
- 2.Rf4#
- 1...Se7
- 2.Rf4#
- 1...Sf8
- 2.Rf4#
- 1...Sh8
- 2.Rf4#
- 1...Qb1
- Tries
- 1.Qa4?
- threat
- 2.Sc5#
- 2.Sd6#
- 2.Re5#
- 1...Bxf7
- 2.Sc5#
- 2.Re5#
- 1...Rg5
- 2.Sd6#
- 1...Bg5
- 2.Sd6#
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Qc3
- 2.Sd6#
- 2.Re5#
- 1...Qb4
- 2.Re5#
- 1...Qb5
- 2.Sd6#
- 1...Qb6
- 2.Sd6#
- 2.Re5#
- 1...Qb8
- 2.Sc5#
- 1...Bf4
- 2.Sc5#
- 1...Bc4!
- threat
- 1.Qa7?
- threat
- 2.Sd6#
- 2.Re5#
- 1...Qxd4
- 2.Qxd4#
- 1...Bxf7
- 2.Re5#
- 1...Rg5
- 2.Sd6#
- 1...Se5
- 2.Rxe5#
- 1...Qb4
- 2.Re5#
- 1...Qb5
- 2.Sd6#
- 1...Qb8
- 2.Sc5#
- 1...Bf4!
- threat
- 1.Qd8?
- threat
- 2.Sc5#
- 2.Re5#
- 1...Qxd4
- 2.Qxd4#
- 1...Bg5
- 2.Re5#
- 1...Bd5
- 2.Qxd5#
- 1...Qc3
- 2.Re5#
- 1...Qb4
- 2.Re5#
- 1...Qb5
- 2.Sd6#
- 1...Qb6
- 2.Sd6#
- 2.Re5#
- 1...Qb8
- 2.Sc5#
- 1...Bf4
- 2.Sc5#
- 1...Se5
- 2.Sc5#
- 2.Rf4#
- 2.Rxe5#
- 1...Rg5!
- threat
- 1.c7+?
- 1...Qb7
- 2.Sc5#
- 2.Sd6#
- 2.Re5#
- 1...Bd5
- 2.Qxd5#
- 1...Kxd4!
- 1...Qb7
- 1.Qa4?
- Keys
- 1.Qh8!
- threat
- 2.Sc5#
- 2.Sd6#
- 1...Qxd4
- 2.Qxd4#
- 1...Bxf7
- 2.Sc5#
- 1...Sxh8
- 2.Rf4#
- 1...Rg5
- 2.Sd6#
- 1...Bg5
- 2.Sd6#
- 1...Se5
- 2.Qxe5#
- 1...Qc3
- 2.Sd6#
- 1...Qb4
- 2.Re5#
- 1...Qb5
- 2.Sd6#
- 1...Qb6
- 2.Sd6#
- 2.Re5#
- 1...Qb8
- 2.Sc5#
- 1...Bf4
- 2.Sc5#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- Q(c);::R1(G)
- Q(c);::S(J)
- Q(c);::S(E)
- S(i);::B(K)+R(G),DCHECK,XS(i)
- S(i);::B(K)+R(G),DCHECK
- Tries
- Try
- Q(L);
- Threat
- DUALS(3)
- Vars
- R(h);::S(J)
- S(i);::B(K)+R(G),DCHECK,XS(i)
- Q(c);::R1(G)
- Q(c);::S(J)
- Q(c);::S(E)
- B(a);::S(E)
- Refutation
- B(b);
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_PINP(D),XP(F)::QAR1(L),XQ(c)
- B(b);XS(J)::R1(G)
- R(h);::S(J)
- S(i);::B(K)+R(G),DCHECK,XS(i)
- Q(c);::R1(G)
- Q(c);::S(J)
- Q(c);::S(E)
- Refutation
- B(a);
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_PINP(D),XP(F)::QAR1(L),XQ(c)
- B(a);::R1(G)
- B(b);N_GUARD::QAB1(L),XB(b)
- Q(c);::R1(G)
- Q(c);::S(J)
- Q(c);::S(E)
- B(a);::S(E)
- Refutation
- R(h);
- Try
- P(I);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::QAB1(L),XB(b)
- Refutation
- K(g);P-FLIGHT,P_SPINQ(c),XP(F)
- Try
- Actual
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,P_PINP(D),XP(F)::QAR1(L),XQ(c)
- B(b);XS(J)::S(E)
- S(i);XQ(L)::B(K)+R(G),DCHECK
- R(h);::S(J)
- B(a);::S(J)
- S(i);N_GUARD::QAR1(L),XS(i)
- Q(c);::S(J)
- Q(c);::R1(G)
- Q(c);::S(E)
- B(a);::S(E)
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).