MESON Chess Problem Database
Problem Display
PID: 192908 (1b4R1/n4N1p/5p2/Rb2p2k/1PQN4/K1p5/5B1r/8 w - - 0 1)
Uris, Miguel
BCPS Website, 2019
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qe2#
- 1...Be8
- 2.Qe2#
- 1...exd4
- 2.Qe2#
- 1...e4
- 2.Qe2#
- 1...f5
- 2.Rg5#
- 1...Ba4
- Tries
- 1.Se2?
- threat
- 2.Sg3#
- 2.Qg4#
- 1...Bxc4
- 2.Sf4#
- 1...Rg2
- 2.Qh4#
- 1...Rh3
- 2.Qg4#
- 1...Rh4
- 2.Sg3#
- 2.Qxh4#
- 1...Bd7
- 2.Sg3#
- 2.Sf4#
- 1...f5
- 2.Sg3#
- 2.Rg5#
- 1...e4!
- threat
- 1.Sxb5?
- threat
- 2.Qe2#
- 2.Qg4#
- 1...Rxf2
- 2.Qg4#
- 1...Rg2
- 2.Qh4#
- 1...Rh3
- 2.Qg4#
- 1...Rh4
- 2.Qxh4#
- 1...e4
- 2.Qe2#
- 1...f5
- 2.Rg5#
- 2.Qe2#
- 1...Sxb5+!
- threat
- 1.Sc6?
- threat
- 2.Qg4#
- 1...Rg2
- 2.Qh4#
- 1...Rh4
- 2.Qxh4#
- 1...e4
- 2.Qe2#
- 1...f5
- 2.Rg5#
- 1...Bxc4!
- threat
- 1.Qd3?
- threat
- 2.Qf5#
- 2.Qxh7#
- 2.Qf3#
- 1...Rxf2
- 2.Qxh7#
- 2.Qh3#
- 1...Bd7
- 2.Qxh7#
- 1...Rg2
- 2.Qxh7#
- 2.Qh3#
- 1...Rh3
- 2.Qf5#
- 2.Qxh7#
- 2.Qxh3#
- 1...Rh4
- 2.Qf5#
- 2.Qxh7#
- 1...Bc6
- 2.Qf5#
- 2.Qxh7#
- 1...e4
- 2.Qe2#
- 2.Qd1#
- 1...f5
- 2.Rg5#
- 2.Qxf5#
- 2.Qf3#
- 1...h6
- 2.Qf5#
- 2.Qg6#
- 2.Qf3#
- 1...Bxd3!
- threat
- 1.Qe6?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Rxf2
- 2.Qh3#
- 2.Qg4#
- 1...Rg2
- 2.Qh3#
- 1...Rh4
- 2.Qf5#
- 1...Be2
- 2.Qf5#
- 1...Bd3
- 2.Qg4#
- 1...f5
- 2.Rg5#
- 2.Qxf5#
- 2.Qh6#
- 1...Bd7!
- threat
- 1.Se2?
- Keys
- 1.Se6!
- threat
- 2.Qg4#
- 1...Bxc4
- 2.Sf4#
- 1...Rg2
- 2.Qh4#
- 1...Rh4
- 2.Qxh4#
- 1...e4
- 2.Qe2#
- 1...f5
- 2.Rg5#
- threat
- 1.Se6!
This is a version of 192907
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(c);N_GUARD,P_SPINP(d)::QAB(D)
- P(d);P_SPINB(c),XS(E)::QAB(D)
- P(d);P_SPINB(c)::QAB(D)
- P(f);N_GUARD::R1(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(c);P_SPINP(d),XQ(D)::S(E)
- R(a);N_GUARD::QAR1(D)
- R(a);::QAB1(D)
- Refutation
- P(d);P_SPINB(c)
- Try
- S(E);XB(c)
- Threat
- DUALS(2)
- Vars
- R(a);XB(A)::QAB1(D)
- R(a);N_GUARD::QAR1(D)
- R(a);::QAB1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- P(d);::QAB(D)
- Refutation
- S(g);CHECK,XS(E)
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- R(a);N_GUARD::QAR1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- P(d);P_SPINB(c)::QAB(D)
- P(f);N_GUARD::R1(H)
- Refutation
- B(c);P_SPINP(d),XQ(D)
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- B(c);P_SPINP(d)::QAR2(D),XP(h)
- Refutation
- B(c);P_SPINP(d),XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::QAR2(D)
- R(a);::QAR2(D)
- B(c);P_SPINP(d)::QAR2(D)
- B(c);P_SPINP(d)::QAB1(D)
- Refutation
- B(c);P_SPINP(d)
- Try
- Actual
- S(E);
- Threat
- QAB1(D)
- Vars
- B(c);P_SPINP(d),XQ(D)::S(E)
- R(a);N_GUARD::QAR1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- P(d);P_SPINB(c)::QAB(D)
- P(f);N_GUARD::R1(H)
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).