MESON Chess Problem Database
Problem Display
PID: 227589 (8/1b3N2/p3P3/5N2/R3Pkpb/1Q6/K1R3nq/1B4Bn w - - 0 1)
van Dijk, Johannes
De Maasbode, 1926
#2
10 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Rf2#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sg3
- Tries
- 1.Sxh4?
- threat
- 2.Sg6#
- 1...Bxe4
- 2.Qb8#
- 1...Sxh4
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...g3
- 2.Qf3#
- 1...Qxh4!
- threat
- 1.Be3+?
- 1...Sxe3
- 2.Qxe3#
- 1...Kf3!
- 1...Sxe3
- 1.e5+?
- 1...Kxf5
- 2.Rf2#
- 2.Rc6#
- 1...Be4!
- 1...Kxf5
- 1.Sxh4?
- Keys
- 1.Sd4!
- threat
- 2.Se2#
- 1...Kxe4
- 2.Rf2#
- 1...Bxe4
- 2.Qb8#
- 1...Se3
- 2.Qxe3#
- 1...g3
- 2.Qf3#
- 1...Sg3
- 2.Rf2#
- 1...Se1
- 2.Qe3#
- threat
- 1.Sd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD,S_CUTB(f)::R(D)
- S(b);N_GUARD,P_PINR(D)::QAB1(E)
- S(b);N_GUARD,P_PINR(D)::QAB1(E),XS(b)
- Tries
- Try
- S(H);XB(f)
- Threat
- S(H)
- Vars
- B(h);OGATE,P_SPINB(h),XP(G)::QAB(E)
- S(b);N_GUARD,P_PINR(D),XS(H)::QAB1(E)
- S(b);N_GUARD,P_PINR(D)::QAB1(E),XS(b)
- P(e);N_GUARD::QAR1(E)
- Refutation
- Q(c);XS(H)
- Try
- B(B);CHECK
- Vars
- S(b);OGATE,P_PINR(D),XB(B)::QAB1(E),XS(b)
- Refutation
- K(d);P-FLIGHT
- Try
- P(G);CHECK
- Refutation
- B(h);P_SPINB(h)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(d);P-FLIGHT,XP(G)::B(A)+R(D)
- B(h);OGATE,SBLOCK,XP(G)::QAB(E)
- S(b);N_GUARD,P_PINR(D)::QAB1(E),XS(b)
- P(e);N_GUARD::QAR1(E)
- S(a);N_GUARD,S_CUTB(f)::R(D)
- S(b);N_GUARD,P_PINR(D)::QAB1(E)
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).