MESON Chess Problem Database
Problem Display
PID: 103795 (5R2/4Q3/8/3p1b1K/5k2/2r4n/1Bn5/qB2N2N w - - 0 1)
Chikanov, Mikola
Match: Moldavia - Romania, 1971
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qe5#
- 1...Rb3
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Re3
- 2.Qh4#
- 1...Rf3
- 2.Sg2#
- 2.Qe5#
- 1...Rg3
- 2.Qe5#
- 1...Rc4
- 2.Qe5#
- 1...Rc5
- 2.Qe5#
- 1...Rc6
- 2.Qe5#
- 1...Rc7
- 2.Qe5#
- 1...Rc8
- 2.Qe5#
- 1...Sxe1
- 2.Rxf5#
- 1...Sa3
- 2.Rxf5#
- 1...Se3
- 2.Qd6#
- 1...Sb4
- 2.Rxf5#
- 1...Ra3
- Tries
- 1.Bxc2?
- threat
- 2.Rxf5#
- 1...Rxc2
- 2.Qe5#
- 1...Rd3
- 2.Qe5#
- 1...Qd1+!
- threat
- 1.Bc1+?
- 1...Se3
- 2.Rxf5#
- 2.Qd6#
- 1...Re3!
- 1...Se3
- 1.Qe6?
- threat
- 2.Rxf5#
- 1...Se3
- 2.Qd6#
- 1...Sd4!
- threat
- 1.Bxc2?
- Keys
- 1.Qe2!
- threat
- 2.Sg2#
- 1...Sxe1
- 2.Rxf5#
- 1...Re3
- 2.Qg4#
- 1...Se3
- 2.Qh2#
- 1...Rg3
- 2.Qe5#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- R(c);::QAB1(F)
- R(c);SBLOCK::QAR2(F)
- S(b);XS(B)::R1(G),XB(g)
- S(b);::R1(G),XB(g)
- S(b);SBLOCK::QAB(F)
- Tries
- Try
- B(A);XS(b)
- Threat
- R1(G),XB(g)
- Vars
- R(c);XB(A)::QAB1(F)
- R(c);::QAB1(F)
- Refutation
- Q(a);CHECK
- Try
- B(D);CHECK
- Refutation
- R(c);P_SPINR(c)
- Try
- Q(F);
- Threat
- R1(G),XB(g)
- Vars
- S(b);SBLOCK::QAB(F)
- Refutation
- S(b);
- Try
- Actual
- Q(F);
- Threat
- S(B)
- Vars
- S(b);XS(B)::R1(G),XB(g)
- R(c);SBLOCK::QAR1(F)
- S(b);SBLOCK,S_CUTR(c)::QAB(F)
- R(c);::QAB1(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).