MESON Chess Problem Database
Problem Display
PID: 9422 (8/B2Q2K1/4P3/2rN1Rp1/3Pk3/6P1/2P3P1/8 w - - 0 1)
van Beek, Huibrecht
2nd Place, Tijdschrift vd NSB, 1902
#2
10 + 3
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qa4#
- 1...Rc3
- 2.Re5#
- 1...Rc4
- 2.Re5#
- 1...Ra5
- 2.Re5#
- 1...Rb5
- 2.Re5#
- 1...Rc6
- 2.Re5#
- 1...Rc7
- 2.Re5#
- 1...Rc8
- 2.Re5#
- 1...g4
- 2.Rf4#
- 1...Kxd4
- Tries
- 1.Sc3+?
- 1...Kxf5
- 2.e7#
- 1...Rxc3
- 2.Re5#
- 1...Ke3!
- 1...Kxf5
- 1.Sf6+?
- 1...Kxf5
- 2.e7#
- 1...Ke3!
- 1...Kxf5
- 1.Sc3+?
- Keys
- 1.Qc6!
- 1...Kxd4
- 2.Qa4#
- 1...Kxf5
- 2.Se3#
- 1...Rxc2
- 2.Qxc2#
- 1...Rxd5
- 2.Re5#
- 1...Rxc6
- 2.Re5#
- 1...Rc3
- 2.Re5#
- 1...Rc4
- 2.Re5#
- 1...Ra5
- 2.Re5#
- 1...Rb5
- 2.Re5#
- 1...g4
- 2.Rf4#
- 1...Kxd4
- 1.Qc6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- K(a);OGATEB,P-FLIGHT,P_SPINR(b),XP(D)::QAR(I)
- R(b);::R1(F)
- R(b);P_PINQ(I)::R1(F)
- P(c);N_GUARD::R1(F)
- Tries
- Try
- S(E);CHECK
- Vars
- K(a);S_FLIGHT,XR(F)::QAB(I)+P(G)
- R(b);XS(E)::R1(F)
- Refutation
- K(a);P-FLIGHT
- Try
- S(E);CHECK
- Vars
- K(a);S_FLIGHT,XR(F)::QAB(I)+P(G)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(I);
- Vars
- K(a);OGATEB,P-FLIGHT,P_SPINR(b),XP(D)::QAR(I)
- K(a);S_FLIGHT,XR(F)::S(E)
- R(b);OGATE,XP(A)::QAB(I),XR(b)
- R(b);P_SPINR(b),XS(E)::R1(F)
- R(b);XQ(I)::R1(F)
- R(b);::R1(F)
- P(c);N_GUARD::R1(F)
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).