MESON Chess Problem Database
Problem Display
PID: 196615 (B7/N7/p4n2/2p1NQp1/3k1bP1/4pR2/1K1Bn3/8 w - - 0 1)
Artz, MDL
Seilberger, Johann Joseph Petrus Adrianus
Haagsche Post, 1944
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Bxe3#
- 1...Bg3
- 2.Bxe3#
- 1...Sc1
- 2.Bc3#
- 1...Sg1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sg3
- 2.Bc3#
- 1...Se4
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...Sd5
- 2.Sac6#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...exd2
- 2.Rd3#
- 1...c4
- 2.Sec6#
- 1...a5
- 2.Sb5#
- 1...Bh2
- Tries
- 1.Bb7?
- 1...Sxg4
- 2.Qe4#
- 1...exd2
- 2.Rd3#
- 1...c4
- 2.Sec6#
- 1...Bh2
- 2.Bxe3#
- 1...Bg3
- 2.Bxe3#
- 1...Sc1
- 2.Bc3#
- 1...Sg1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sg3
- 2.Bc3#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Sac6#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...a5
- 2.Sb5#
- 1...Bxe5!
- 1...Sxg4
- 1.Rxf4+?
- 1...Sxf4
- 2.Bc3#
- 1...Se4
- 2.Rxe4#
- 2.Qxe4#
- 1...gxf4!
- 1...Sxf4
- 1.Qxf4+?
- 1...Sxf4
- 2.Bc3#
- 1...Se4
- 2.Bxe3#
- 2.Qxe4#
- 1...gxf4!
- 1...Sxf4
- 1.Qxf6?
- threat
- 2.Qd6#
- 1...Sc3
- 2.Bxc3#
- 1...Bxe5!
- threat
- 1.Bb7?
- Keys
- 1.Kc2!
- 1...Bxe5
- 2.Qd3#
- 1...Sxg4
- 2.Qe4#
- 1...exd2
- 2.Rd3#
- 1...c4
- 2.Sec6#
- 1...Bh2
- 2.Bxe3#
- 1...Bg3
- 2.Bxe3#
- 1...Sc1
- 2.Bc3#
- 1...Sg1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sg3
- 2.Bc3#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Sac6#
- 1...Sh5
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...Sh7
- 2.Qe4#
- 1...Se8
- 2.Qe4#
- 1...Sg8
- 2.Qe4#
- 1...a5
- 2.Sb5#
- 1...Bxe5
- 1.Kc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::B(B),XP(b)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(h);N_GUARD,XP(D)::QAR1(F)
- S(h);SBLOCK::S(G)
- S(h);N_GUARD::QAR1(F)
- P(b);OGATE,XB(B)::R1(C)
- P(e);SBLOCK::S(E)
- P(g);N_GUARD::S(G)
- Tries
- Try
- B(H);
- Vars
- S(h);N_GUARD,XP(D)::QAR1(F)
- P(b);OGATE,XB(B)::R1(C)
- P(e);SBLOCK::S(E)
- B(d);N_GUARD::B(B),XP(b)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(h);SBLOCK::S(G)
- S(h);N_GUARD::QAR1(F)
- P(g);N_GUARD::S(G)
- Refutation
- B(d);XS(E)
- Try
- R(C);CHECK,XB(d)
- Vars
- S(a);XR(C)::B(B)
- Refutation
- P(f);XR(C)
- Try
- Q(F);CHECK,XB(d)
- Vars
- S(a);XQ(F)::B(B)
- Refutation
- P(f);XQ(F)
- Try
- Q(F);XS(h)
- Threat
- QAR2(F)
- Vars
- S(a);N_GUARD::B(B),XS(a)
- Refutation
- B(d);P_SPINB(d),XS(E)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- B(d);SBLOCK,XS(E)::QAR1(F)
- S(h);N_GUARD,XP(D)::QAR1(F)
- P(b);OGATE,XB(B)::R1(C)
- P(e);SBLOCK::S(E)
- B(d);N_GUARD::B(B),XP(b)
- S(a);N_GUARD::B(B)
- S(a);N_GUARD::B(B),XS(a)
- S(h);N_GUARD::QAR1(F),XS(h)
- S(h);SBLOCK::S(G)
- S(h);N_GUARD::QAR1(F)
- P(g);N_GUARD::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).