MESON Chess Problem Database
Problem Display
PID: 71091 (4N3/5p2/8/3p1kpP/B2PR3/8/4NK2/5n2 w - - 0 1)
Artz, MDL
Seilberger, Johann Joseph Petrus Adrianus
Source?, 1943
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Bc2#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...f6
- 2.Sd6#
- 1...Kxe4
- Tries
- 1.Ke1?
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...Kxe4!
- 1...dxe4
- 1.Kxf1?
- threat
- 2.Sg3#
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Kxe4!
- threat
- 1.Kg1?
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...Kxe4!
- 1...dxe4
- 1.Sg7+?
- 1...Kxe4
- 2.Bc2#
- 1...Kf6!
- 1...Kxe4
- 1.Bd1?
- 1...Kxe4
- 2.Bc2#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...dxe4!
- 1...Kxe4
- 1.Bc2?
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 2.Sg7#
- 1...dxe4!
- 1...g4
- 1.Bb3?
- 1...Kxe4
- 2.Bc2#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...dxe4!
- 1...Kxe4
- 1.Bc6?
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...Kxe4!
- 1...dxe4
- 1.Re7?
- threat
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Kg4!
- threat
- 1.Ke1?
- Keys
- 1.Bb5!
- 1...Kxe4
- 2.Sd6#
- 1...dxe4
- 2.Bd7#
- 1...g4
- 2.Re5#
- 1...Sd2
- 2.Sg3#
- 1...Sh2
- 2.Sg3#
- 1...Se3
- 2.Sg3#
- 1...Sg3
- 2.Sxg3#
- 1...f6
- 2.Sd6#
- 1...Kxe4
- 1.Bb5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);OGATEB,S_FLIGHT,XR(E)::B(C)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- P(e);SBLOCK::S(G)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- K(B);P-FLIGHT,XS(a)
- Threat
- S(A)
- Vars
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- K(B);S_FLIGHT
- Vars
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
- Refutation
- K(c);S_FLIGHT,XR(E)
- Try
- S(G);CHECK
- Vars
- K(c);S_FLIGHT,XR(E)::B(C)
- Refutation
- K(c);P-FLIGHT
- Try
- B(C);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
- Refutation
- P(b);XR(E)
- Try
- B(C);
- Vars
- P(d);SBLOCK::B(C)+R(E),DCHECK
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- Refutation
- P(b);P_SPINP(b),XR(E)
- Try
- B(C);
- Vars
- K(c);OGATEB,S_FLIGHT,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
- Refutation
- P(b);XR(E)
- Try
- B(C);
- Vars
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XR(E)
- Try
- R(E);
- Threat
- B(C)
- Vars
- P(d);SBLOCK::R1(E)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(C);
- Vars
- K(c);S_FLIGHT,XR(E)::S(G)
- P(b);SBLOCK,XR(E)::B(C)
- P(d);SBLOCK::R1(E)
- S(a);N_GUARD::S(A)
- S(a);N_GUARD::S(A),XS(a)
- P(e);SBLOCK::S(G)
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).