MESON Chess Problem Database
Problem Display
PID: 169210 (4n2K/4Q3/pP6/b3p2b/p1NNR3/1Bk2n1R/2ppP3/2rr4 w - - 0 1)
Shanshin, Valery Yurevich
1st Prize, SuperProblem-10 JT, 2016
#2
9 + 12
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bg6
- 2.Rxf3#
- 1...Bf7
- 2.Rxf3#
- 1...Bg6
- Tries
- 1.Sb5+?
- 1...Kxb3
- 2.Qa3#
- 1...axb5!
- 1...Kxb3
- 1.Qa3?
- threat
- 2.Ba2#
- 1...axb3
- 2.Qxb3#
- 1...Bb4
- 2.Qb2#
- 1...Rb1!
- threat
- 1.Qc5?
- threat
- 2.Re3#
- 2.Qxa5#
- 1...Bxb6
- 2.Re3#
- 1...axb3
- 2.Re3#
- 1...Bb4
- 2.Re3#
- 1...Bg6
- 2.Rxf3#
- 2.Qxa5#
- 1...exd4!
- threat
- 1.Qxe5?
- threat
- 2.Qxa5#
- 1...Kb4
- 2.Qxa5#
- 1...axb3
- 2.Sc6#
- 1...Bb4
- 2.Re3#
- 1...Bxb6!
- threat
- 1.Sb5+?
- Keys
- 1.Sc6!
- threat
- 2.Re3#
- 1...Kxb3
- 2.Qa3#
- 1...Bxb6
- 2.Qb4#
- 1...axb3
- 2.Qxe5#
- 1...Bg6
- 2.Rxf3#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(j);N_GUARD::R(C),XS(f)
- Tries
- Try
- S(E);CHECK
- Vars
- K(e);P-FLIGHT,XB(B)::QAR1(H)
- Refutation
- P(k);XS(E)
- Try
- Q(H);
- Threat
- QAR(H)+B(B)
- Vars
- P(g);OGATE,P_SPINP(g),XB(B)::QAR1(H),XP(g)
- B(h);SBLOCK::QAB1(H)
- Refutation
- R(a);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(h);XP(G)::R(F)
- P(g);XB(B)::R(F)
- B(h);::R(F)
- Refutation
- P(i);XS(E)
- Try
- Q(H);XP(i)
- Threat
- QAB(H),XB(h)
- Vars
- K(e);N_SPINS(f),S_FLIGHT::QAB1(H),XB(h)
- P(g);SBLOCK,XB(B)::QAB(H)+S(E)
- B(h);SBLOCK::R(F)
- Refutation
- B(h);XP(G)
- Try
- Actual
- S(E);
- Threat
- R(F)
- Vars
- K(e);OGATEB,P-FLIGHT,XB(B)::QAR1(H)
- B(h);N_GUARD,XP(G)::QAB1(H)
- P(g);SBLOCK,XB(B)::QAB(H),XP(i)
- B(j);N_GUARD::R(C),XS(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).