MESON Chess Problem Database
Problem Display
PID: 254342 (8/1P6/2Q3N1/4pn2/4R3/3b1k2/6pK/b2r2B1 w - - 0 1)
Dischler, Max
Die Schwalbe, 1930
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Rf4#
- 1...Sg3
- 2.Sh4#
- 1...Sd4
- 2.Sh4#
- 2.Sxe5#
- 1...Sh4
- 2.Sxh4#
- 1...Sd6
- 2.Sh4#
- 1...Sh6
- 2.Sh4#
- 1...Se7
- 2.Sh4#
- 1...Sg7
- 2.Sh4#
- 1...Be2
- Tries
- 1.Rxe5+?
- 1...Be4
- 2.Qxe4#
- 1...Kg4!
- 1...Be4
- 1.Qe6?
- threat
- 2.Qxf5#
- 1...Kxe4
- 2.Qc6#
- 1...Se3
- 2.Rxe3#
- 1...Sg3
- 2.Re3#
- 2.Qg4#
- 1...Sd4
- 2.Re3#
- 2.Qg4#
- 1...Sh4
- 2.Re3#
- 2.Qg4#
- 1...Sd6
- 2.Re3#
- 2.Qg4#
- 1...Sh6
- 2.Re3#
- 1...Se7
- 2.Re3#
- 2.Qg4#
- 1...Sg7
- 2.Re3#
- 2.Qg4#
- 1...Bxe4!
- threat
- 1.Qf6?
- threat
- 2.Qxf5#
- 1...Kxe4
- 2.Qc6#
- 1...Bxe4!
- threat
- 1.Qc8?
- threat
- 2.Qxf5#
- 1...Kxe4
- 2.Qc6#
- 1...Se3
- 2.Rxe3#
- 1...Sg3
- 2.Re3#
- 2.Qg4#
- 1...Sd4
- 2.Re3#
- 2.Qg4#
- 1...Sh4
- 2.Re3#
- 2.Qg4#
- 1...Sd6
- 2.Re3#
- 2.Qg4#
- 1...Sh6
- 2.Re3#
- 1...Se7
- 2.Re3#
- 2.Qg4#
- 1...Sg7
- 2.Re3#
- 2.Qg4#
- 1...Bxe4!
- threat
- 1.Rxe5+?
- Keys
- 1.Qd7!
- threat
- 2.Qxf5#
- 1...Kxe4
- 2.Qc6#
- 1...Bxe4
- 2.Qxd1#
- 1...Se3
- 2.Rxe3#
- 1...Sg3
- 2.Re3#
- 2.Qg4#
- 1...Sd4
- 2.Re3#
- 2.Qg4#
- 1...Sh4
- 2.Re3#
- 2.Qg4#
- 1...Sd6
- 2.Re3#
- 2.Qg4#
- 1...Sh6
- 2.Re3#
- 1...Se7
- 2.Re3#
- 2.Qg4#
- 1...Sg7
- 2.Re3#
- 2.Qg4#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- B(d);SBLOCK::QAB(D)+R(C),DCHECK
- S(g);N_GUARD::S(E)
- S(g);N_GUARD::S(E),XS(g)
- Tries
- Try
- R(C);CHECK,XP(f)
- Vars
- B(d);N_GUARD,P_SPINB(d)::QAB1(D),XB(d)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(D);
- Threat
- QAR2(D),XS(g)
- Vars
- K(e);OGATEB,P_SPINP(f),S_FLIGHT,XR(C)::QAB(D)
- S(g);N_GUARD::R1(C),XS(g)
- S(g);N_GUARD::R1(C)
- Refutation
- B(d);XR(C)
- Try
- Q(D);P_PINS(g)
- Threat
- QAR2(D),XS(g)
- Vars
- K(e);N_SPINS(g),OGATEB,S_FLIGHT,XR(C)::QAB(D)
- Refutation
- B(d);XR(C)
- Try
- Q(D);
- Threat
- QAR2(D),XS(g)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(C)::QAB(D)
- S(g);N_GUARD::R1(C),XS(g)
- S(g);N_GUARD::R1(C)
- Refutation
- B(d);XR(C)
- Try
- Actual
- Q(D);
- Threat
- QAR2(D),XS(g)
- Vars
- K(e);OGATEB,S_FLIGHT,XR(C)::QAB(D)
- B(d);OGATE,SBLOCK,XR(C)::QAB(D),XR(b)
- S(g);N_GUARD::R1(C),XS(g)
- S(g);N_GUARD::R1(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).