MESON Chess Problem Database
Problem Display
PID: 168946 (7B/b3n3/p5p1/rb2Npp1/3k4/3PN3/n2P3K/2R4Q w - - 0 1)
Shanshin, Valery Yurevich
2nd HM., SuperProblem, 2015
#2
8 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxd3
- 2.Sc6#
- 1...Ba4
- 2.Rc4#
- 1...Bc4
- 2.Rxc4#
- 1...Bc6
- 2.Rc4#
- 1...Bd7
- 2.Rc4#
- 1...Be8
- 2.Rc4#
- 1...Bc5
- 2.Sc2#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...f4
- 2.Qe4#
- 1...Bxd3
- Tries
- 1.Sxf5+?
- 1...Sxf5
- 2.Qe4#
- 1...gxf5!
- 1...Sxf5
- 1.Rc3?
- threat
- 2.Sc2#
- 2.Sf3#
- 2.S5g4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Bxd3
- 2.Sc6#
- 1...Bc4
- 2.Rxc4#
- 1...Ba4
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Bc6
- 2.Sc2#
- 2.Sf3#
- 2.Sxc6#
- 2.Rc4#
- 1...Bd7
- 2.Sc2#
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Be8
- 2.Sc2#
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Bb8
- 2.Sc2#
- 1...Sb4
- 2.Sf3#
- 2.S5g4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Sd5
- 2.Sc2#
- 2.Sf3#
- 2.Sc6#
- 2.Qxd5#
- 1...Sc6
- 2.Sc2#
- 2.Sf3#
- 2.Sxc6#
- 2.Qd5#
- 1...Sg8
- 2.Sc2#
- 2.Sf3#
- 2.Sc6#
- 2.Qd5#
- 1...g4
- 2.Sc2#
- 2.Sf3#
- 2.S5xg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Sxc3!
- threat
- 1.Qc6?
- threat
- 2.Sc2#
- 1...Bxd3
- 2.Sf3#
- 1...Bxc6
- 2.Rc4#
- 1...Ba4
- 2.Rc4#
- 2.Qc4#
- 1...Sb4
- 2.Qc3#
- 1...Sxc6!
- threat
- 1.Qf1?
- threat
- 2.Sf3#
- 2.S5g4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 1...Bxd3
- 2.Qxd3#
- 1...Sxc1
- 2.Sd7#
- 1...Bc4
- 2.Rxc4#
- 1...Sc3
- 2.Sd7#
- 1...Ba4
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Bc6
- 2.Sf3#
- 2.Sxc6#
- 2.Rc4#
- 1...Bd7
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Be8
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 1...Sd5
- 2.Sf3#
- 2.Sc6#
- 1...Sc6
- 2.Sf3#
- 2.Sxc6#
- 1...Sg8
- 2.Sf3#
- 2.Sc6#
- 1...g4
- 2.Sf3#
- 2.S5xg4#
- 2.Sc6#
- 2.Sxg6#
- 2.Sd7#
- 2.Sf7#
- 2.Qf4#
- 1...Bb8!
- threat
- 1.Sxf5+?
- Keys
- 1.Qb7!
- threat
- 2.Qxa7#
- 1...Bxd3
- 2.Sf3#
- 1...Bc4
- 2.Rxc4#
- 1...Ba4
- 2.Rc4#
- 1...Bc6
- 2.Rc4#
- 1...Bd7
- 2.Rc4#
- 1...Be8
- 2.Rc4#
- 1...Bc5
- 2.Sc2#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd7#
- 1...Sc8
- 2.Qd5#
- threat
- 1.Qb7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(d);SBLOCK,XP(E)::B(H)+S(G),DCHECK
- B(d);N_GUARD::R1(A)
- B(d);N_GUARD::R1(A),XB(d)
- B(i);SBLOCK::S(F)
- S(j);N_GUARD::QAR1(B),XS(j)
- S(j);N_GUARD::QAR1(B)
- P(e);N_GUARD::QAR1(B)
- Tries
- Try
- S(F);CHECK,XP(e)
- Vars
- S(j);XS(F)::QAR1(B)
- Refutation
- P(h);XS(F)
- Try
- R(A);
- Threat
- DUALS(7)
- Vars
- B(d);XP(E)::B(H)+S(G),DCHECK
- B(d);N_GUARD::R1(A),XB(d)
- B(i);P_PINS(G)::S(F)
- Refutation
- S(a);XR(A)
- Try
- Q(B);
- Threat
- S(F)
- Vars
- B(d);SBLOCK,XP(E)::B(H)+S(G),DCHECK
- B(d);N_GUARD,XQ(B)::R1(A)
- S(a);N_GUARD::QAB1(B)
- Refutation
- S(j);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(6)
- Vars
- B(d);OGATE,XP(E)::QAR1(B),XB(d)
- S(a);XR(A)::B(H)+S(G)
- B(d);N_GUARD::R1(A),XB(d)
- S(a);::B(H)+S(G)
- Refutation
- B(i);P_PINS(G)
- Try
- Actual
- Q(B);
- Threat
- QAB(B),XB(i)
- Vars
- B(d);SBLOCK,XP(E)::B(H)+S(G),DCHECK
- B(d);N_GUARD::R1(A),XB(d)
- B(d);N_GUARD::R1(A)
- B(i);SBLOCK::S(F)
- B(i);N_GUARD::QAB(B),XB(i)
- B(i);N_GUARD,P_PINS(G)::QAB(B)
- S(j);N_GUARD::QAR1(B),XS(j)
- S(j);N_GUARD,S_CUTB(d)::QAR(B)
- S(j);N_GUARD::QAR1(B)
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).