MESON Chess Problem Database
Problem Display
PID: 89911 (8/3N2p1/2pbB3/4B1r1/3pk3/1K2N3/4P3/2Q5 w - - 0 1)
Linss, Torsten
Die Schwalbe, 1984
#2
7 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bf5#
- 1...Rg2
- 2.Bf5#
- 1...Rg3
- 2.Bf5#
- 1...Rg4
- 2.Bf5#
- 1...Rf5
- 2.Bxf5#
- 1...Rg6
- 2.Bf5#
- 1...dxe3
- 2.Qb1#
- 2.Qc2#
- 2.Qc4#
- 2.Qxc6#
- 1...c5
- 2.Bd5#
- 1...Rg1
- Tries
- 1.Sd1?
- threat
- 2.Sf2#
- 2.Qf4#
- 2.Qxc6#
- 1...Rxe5
- 2.Sf2#
- 1...Bxe5
- 2.Sf2#
- 2.Sc5#
- 1...Rg2
- 2.Qf4#
- 2.Qxc6#
- 1...Rg4
- 2.Sf2#
- 2.Qxc6#
- 1...Rf5
- 2.Qxc6#
- 1...Bc5
- 2.Sf2#
- 2.Qf4#
- 1...c5
- 2.Sf2#
- 2.Qf4#
- 1...Rg3+!
- threat
- 1.Sg2?
- threat
- 2.Qf4#
- 2.Qxc6#
- 1...Rxg2
- 2.Qf4#
- 1...Rxe5
- 2.Qf4#
- 1...Bxe5
- 2.Sc5#
- 2.Qxc6#
- 1...Rg4
- 2.Qxc6#
- 1...Rf5
- 2.Qxc6#
- 1...Bc5
- 2.Qf4#
- 1...c5
- 2.Qf4#
- 1...Rg3+!
- threat
- 1.Sc4?
- threat
- 2.Sxd6#
- 2.Qf4#
- 1...Rxe5
- 2.Sxd6#
- 1...Bxe5
- 2.Sc5#
- 1...Rg4
- 2.Sxd6#
- 1...Rf5
- 2.Sxd6#
- 1...Ba3
- 2.Qf4#
- 1...Bb4
- 2.Qf4#
- 1...Bc5
- 2.Sxc5#
- 2.Qf4#
- 1...Bc7
- 2.Sc5#
- 2.Qf4#
- 1...Be7
- 2.Qf4#
- 1...Bb8
- 2.Sc5#
- 2.Qf4#
- 1...Bf8
- 2.Qf4#
- 1...Rg3+!
- threat
- 1.Sg4?
- threat
- 2.Sf2#
- 2.Qf4#
- 2.Qh1#
- 2.Qxc6#
- 1...Rxe5
- 2.Sf2#
- 1...Bxe5
- 2.Sf2#
- 2.Sc5#
- 1...Rf5
- 2.Qxc6#
- 1...Rh5
- 2.Sf2#
- 2.Qf4#
- 2.Qxc6#
- 1...Bc5
- 2.Sf2#
- 2.Sxc5#
- 2.Qf4#
- 2.Qh1#
- 1...c5
- 2.Sf2#
- 2.Qf4#
- 2.Qh1#
- 1...Rxg4!
- threat
- 1.Sf5?
- threat
- 2.Sxd6#
- 2.Qf4#
- 2.Qxc6#
- 1...Rg3+
- 2.Sxg3#
- 1...Bxe5
- 2.Sc5#
- 1...Rg4
- 2.Sxd6#
- 2.Qxc6#
- 1...Ba3
- 2.Qf4#
- 2.Qxc6#
- 1...Bb4
- 2.Qf4#
- 2.Qxc6#
- 1...Bc5
- 2.Qf4#
- 1...Bc7
- 2.Qf4#
- 2.Qxc6#
- 1...Be7
- 2.Qf4#
- 2.Qxc6#
- 1...Bb8
- 2.Qf4#
- 2.Qxc6#
- 1...Bf8
- 2.Qf4#
- 2.Qxc6#
- 1...c5
- 2.Sxd6#
- 2.Qf4#
- 1...Rxf5!
- threat
- 1.Qb1+?
- 1...d3
- 2.Qxd3#
- 1...Kxe3!
- 1...d3
- 1.Qc2+?
- 1...d3
- 2.Qxd3#
- 1...Kxe3!
- 1...d3
- 1.Sd1?
- Keys
- 1.Sf1!
- threat
- 2.Qf4#
- 2.Qxc6#
- 1...Rg3+
- 2.Sxg3#
- 1...Rxe5
- 2.Sg3#
- 1...Bxe5
- 2.Sc5#
- 1...Rg4
- 2.Qxc6#
- 1...Rf5
- 2.Sg3#
- 2.Qxc6#
- 1...Bc5
- 2.Qf4#
- 1...c5
- 2.Qf4#
- threat
- 1.Sf1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::B(F)
- R(c);N_GUARD,P_PINS(D)::B(F)
- R(c);N_GUARD::B(F),XR(c)
- P(d);N_GUARD::B(F)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(c);XB(E)::S(D)
- R(c);::QAB(A),XP(d)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(D)::QAR1(A)
- R(c);XB(E)::QAR1(A)
- R(c);::QAB(A),XP(d)
- B(e);::QAR1(A)
- P(d);::QAR1(A)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);XB(E)::S(D),XB(e)
- B(e);N_GUARD,XB(E)::S(G)
- R(c);::S(D),XB(e)
- B(e);::QAR1(A)
- Refutation
- R(c);CHECK
- Try
- S(D);
- Threat
- DUALS(4)
- Vars
- R(c);XB(E)::S(D)
- R(c);::QAB(A),XP(d)
- Refutation
- R(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- R(c);CHECK,N_GUARD::S(D),XR(c)
- B(e);N_GUARD,SBLOCK,XB(E)::S(G)
- B(e);::QAR1(A)
- Refutation
- R(c);XS(D)
- Try
- Q(A);CHECK
- Vars
- P(a);P_SPINP(a)::QAB1(A),XP(a)
- Refutation
- K(b);P-FLIGHT,XS(D)
- Try
- Q(A);CHECK
- Vars
- P(a);P_SPINP(a)::QAB1(A),XP(a)
- Refutation
- K(b);P-FLIGHT,XS(D)
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- R(c);CHECK,N_GUARD::S(D),XR(c)
- R(c);N_GUARD,XB(E)::S(D)
- B(e);N_GUARD,SBLOCK,XB(E)::S(G)
- R(c);::QAB(A),XP(d)
- B(e);::QAR1(A)
- P(d);::QAR1(A)
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).