MESON Chess Problem Database
Problem Display
PID: 134831 (6N1/BpP1rB1p/p3NRp1/r3k1p1/8/b4P2/2nQ4/qbn4K w - - 0 1)
Storozhenko, Ivan Ivanovich
3rd Place, Shakhmatnaya kompozitsiya, 2007
#2
9 + 13
| 23 | Die Schwalbe | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Qh2#
- 1...Bd6
- 2.Qxg5#
- 1...Rd5
- Tries
- 1.Sg7?
- threat
- 2.Qxg5#
- 2.Qh2#
- 1...Rxf7
- 2.Re6#
- 2.Qxg5#
- 1...Qd4
- 2.Qxg5#
- 1...Ra4
- 2.Qxg5#
- 2.Qd5#
- 1...Rc5
- 2.Qd6#
- 1...Re6
- 2.Rxe6#
- 1...Bc5
- 2.Qd5#
- 1...Se2
- 2.Qxg5#
- 1...Sd3
- 2.Qxg5#
- 1...Se1
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 2.Qd6#
- 1...Sd4
- 2.Qh2#
- 1...g4
- 2.Qf4#
- 2.Qg5#
- 1...h6
- 2.Qh2#
- 1...b6!
- threat
- 1.Sd8?
- threat
- 2.Qxg5#
- 2.Qh2#
- 1...Rxf7
- 2.Sxf7#
- 2.Qxg5#
- 1...Qd4
- 2.Qxg5#
- 1...Ra4
- 2.Qxg5#
- 2.Qd5#
- 1...Rc5
- 2.Qd6#
- 1...Bc5
- 2.Qd5#
- 1...Se2
- 2.Qxg5#
- 1...Sd3
- 2.Qxg5#
- 1...Se1
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 2.Qd6#
- 1...Sd4
- 2.Qh2#
- 1...g4
- 2.Qf4#
- 2.Qg5#
- 1...b6
- 2.Sc6#
- 1...h6
- 2.Qh2#
- 1...Re6!
- threat
- 1.Sf8?
- threat
- 2.Qxg5#
- 2.Qh2#
- 1...Rxf7
- 2.Qxg5#
- 1...Qd4
- 2.Qxg5#
- 1...Ra4
- 2.Qxg5#
- 2.Qd5#
- 1...Rc5
- 2.Qd6#
- 1...Re6
- 2.Sd7#
- 1...Bc5
- 2.Qd5#
- 1...Se2
- 2.Qxg5#
- 1...Sd3
- 2.Qxg5#
- 1...Se1
- 2.Qh2#
- 1...Se3
- 2.Qh2#
- 1...Sb4
- 2.Qh2#
- 2.Qd6#
- 1...Sd4
- 2.Qh2#
- 1...g4
- 2.Qf4#
- 2.Qg5#
- 1...h6
- 2.Sxg6#
- 2.Qh2#
- 1...b6!
- threat
- 1.Rf5+?
- 1...Kxf5
- 2.Qxg5#
- 1...gxf5!
- 1...Kxf5
- 1.Sg7?
- Keys
- 1.Sc5!
- threat
- 2.Qd5#
- 2.Qd6#
- 1...Rxc5
- 2.Qd6#
- 1...Rxf7
- 2.Qd6#
- 1...Bxc5
- 2.Qd5#
- 1...Sd3
- 2.Sxd3#
- 1...Qd4
- 2.Qxg5#
- 1...Qa2
- 2.Qd6#
- 1...Re6
- 2.Sd7#
- 1...Rd7
- 2.Sxd7#
- 1...Ba2
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Sb4
- 2.Qd6#
- 1...Sd4
- 2.Qh2#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 2
- Sets
- R(f);SBLOCK::QAB(B)
- B(e);SBLOCK::QAR2(B),XP(h)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAR2(B),XP(h)
- R(f);S_CUTB(e)::QAB1(B)
- R(l);N_GUARD::R1(E),XR(l)
- B(e);S_CUTR(f)::QAR1(B)
- S(c);::QAR2(B),XP(h)
- S(d);::QAB(B)
- P(m);::QAB(B)
- Refutation
- P(k);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);::QAR2(B),XP(h)
- R(f);S_CUTB(e)::QAB1(B)
- B(e);S_CUTR(f)::QAR1(B)
- S(c);::QAR2(B),XP(h)
- S(d);::QAB(B)
- P(k);N_GUARD::S(D)
- P(m);::QAB(B)
- Refutation
- R(l);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(l);XB(H)::QAR2(B),XP(h)
- Q(a);::QAR2(B),XP(h)
- R(f);S_CUTB(e)::QAB1(B)
- R(l);N_GUARD::S(D)
- B(e);S_CUTR(f)::QAR1(B)
- S(c);::QAR2(B),XP(h)
- S(d);::QAB(B)
- Refutation
- P(k);
- Try
- R(E);CHECK
- Vars
- K(g);P-FLIGHT,XR(E)::QAR1(B),XP(h)
- Refutation
- P(j);XR(E)
- Try
- Actual
- S(D);
- Threat
- DUALS(2)
- Vars
- R(f);XS(D)::QAB1(B)
- R(l);XB(H)::QAB1(B)
- B(e);XS(D)::QAR1(B)
- S(c);N_GUARD::S(D),XS(c)
- Q(a);SBLOCK::QAR2(B),XP(h)
- Q(a);::QAB1(B)
- R(l);N_GUARD::S(D)
- R(l);N_GUARD::S(D),XR(l)
- B(b);::QAB1(B)
- S(d);::QAB1(B)
- S(d);SBLOCK::QAB(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).