MESON Chess Problem Database
Problem Display
PID: 239674 (rk3bq1/p2Rp3/B7/4p3/5n1r/1Np2n2/K1Q4p/1R5b w - - 0 1)
Rice, John Michael
Magyar Sakkelet, 1970
#2
6 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxb3+
- 2.Rxb3#
- 2.Qxb3#
- 1...Qh7
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qg2
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qg3
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qg4
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qg5
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qg7
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Qh8
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 1...Se6
- 2.Sd4#
- 1...e6
- 2.Sc5#
- 1...Qxb3+
- Tries
- 1.Qxc3?
- threat
- 2.Rb7#
- 2.Rd8#
- 2.Qb4#
- 2.Qc7#
- 2.Qc8#
- 1...Qxb3+
- 2.Rxb3#
- 2.Qxb3#
- 1...Qg2+
- 2.Sd2#
- 1...Qd5
- 2.Qc7#
- 2.Qc8#
- 1...Qe6
- 2.Rb7#
- 2.Qc7#
- 2.Qc8#
- 1...Qg1
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Qg4
- 2.Sa1#
- 2.Sc1#
- 2.Sd2#
- 2.Sd4#
- 2.Sa5#
- 2.Sc5#
- 2.Rb7#
- 2.Qb4#
- 2.Qc7#
- 2.Qc8#
- 1...Qg6
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Rh6
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Bh6
- 2.Rb7#
- 2.Qb4#
- 2.Qc7#
- 1...Bg7
- 2.Rb7#
- 2.Qb4#
- 2.Qc7#
- 1...Se1
- 2.Rd8#
- 2.Qxe5#
- 2.Qc7#
- 2.Qc8#
- 1...Sg1
- 2.Rd8#
- 2.Qxe5#
- 2.Qc7#
- 2.Qc8#
- 1...Sd2
- 2.Rd8#
- 2.Qxe5#
- 2.Qc7#
- 2.Qc8#
- 1...Sd4
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Sg5
- 2.Rd8#
- 2.Qxe5#
- 2.Qc7#
- 2.Qc8#
- 1...Se2
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Sg2
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Sd3
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Sh3
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Sd5
- 2.Rb7#
- 2.Rd8#
- 2.Qc8#
- 1...Sh5
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Se6
- 2.Sd4#
- 2.Rb7#
- 2.Qc8#
- 1...Sg6
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...e6
- 2.Sc5#
- 2.Rb7#
- 2.Rd8#
- 2.Qc7#
- 2.Qc8#
- 1...Qc4!
- threat
- 1.Qxc3?
- Keys
- 1.Qf5!
- threat
- 2.Rb7#
- 1...Qxb3+
- 2.Rxb3#
- 1...Qg2+
- 2.Sd2#
- 1...Qd5
- 2.Qxf8#
- 1...Qe6
- 2.Qxf8#
- 1...Se1
- 2.Qxe5#
- 1...Sg1
- 2.Qxe5#
- 1...Sd2
- 2.Qxe5#
- 1...Sd4
- 2.Qxe5#
- 1...Sg5
- 2.Qxe5#
- 1...Se6
- 2.Sd4#
- 1...e6
- 2.Sc5#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- S(e);N_PINS(D)::R(A)+S(D)
- P(i);N_PINS(D)::R(A)+S(D)
- Tries
- Try
- Q(C);XP(c)
- Threat
- DUALS(5)
- Vars
- Q(m);CHECK,N_PINS(D)::R(A)+S(D)
- Refutation
- Q(m);
- Try
- Actual
- Q(C);
- Threat
- R1(F)
- Vars
- Q(m);CHECK,OGATE,P_SPINQ(m),XS(D)::R(A),XQ(m)
- Q(m);CHECK,N_PINS(D)::R(A)+S(D)
- Q(m);N_GUARD::QAR(C),XB(l)
- S(d);N_GUARD::QAB(C),XP(g)
- S(e);N_PINS(D)::R(A)+S(D)
- P(i);N_PINS(D)::R(A)+S(D)
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).