MESON Chess Problem Database
Problem Display
PID: 134901 (Q4N1K/2B5/b2r1P2/4k3/2r3P1/b1P3n1/B1N2R2/8 w - - 0 1)
Veliky, Mikola Moiseyovich
The Problemist, 2009
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Ra4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rb4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rd4
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 2.cxd4#
- 1...Re4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rf4
- 2.Sd7#
- 1...Rxg4
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rc5
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Rxc7
- 2.Sg6#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Se2
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Rxc3
- Tries
- 1.Se1?
- threat
- 2.Sd3#
- 1...Rxc3
- 2.Qd5#
- 1...Rxg4
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rxc7
- 2.Sg6#
- 1...Rf4
- 2.Sd7#
- 1...Rc6
- 2.Qe8#
- 1...Sf5
- 2.Rxf5#
- 1...Ra4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rb4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rd4
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Re4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rc5
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Bb7!
- threat
- 1.Sb4?
- threat
- 2.Sd3#
- 2.Qd5#
- 2.Qe8#
- 1...Rxc3
- 2.Qd5#
- 1...Rxb4
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rxg4
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rxc7
- 2.Sg6#
- 1...Rf4
- 2.Sd7#
- 1...Rc6
- 2.Qe8#
- 1...Bb7
- 2.Qe8#
- 1...Sf5
- 2.Rxf5#
- 1...Rd4
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Re4
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Rc5
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Bb5
- 2.Sd3#
- 2.Qd5#
- 1...Bc8
- 2.Sd3#
- 2.Qd5#
- 1...Bxb4!
- threat
- 1.Sd4?
- threat
- 2.Sg6#
- 2.Sd7#
- 1...Rxc3
- 2.Qd5#
- 1...Rxc7
- 2.Sg6#
- 1...Rc6
- 2.Qe8#
- 1...Sf5
- 2.Sd7#
- 2.Rxf5#
- 1...Bb5
- 2.Sg6#
- 1...Bc8
- 2.Sg6#
- 1...Bb7!
- threat
- 1.Bxc4?
- threat
- 2.Sg6#
- 2.Sd7#
- 2.Qd5#
- 2.Qe8#
- 1...Bb7
- 2.Qe8#
- 1...Sf5
- 2.Sd7#
- 2.Rxf5#
- 1...Bb5
- 2.Sg6#
- 2.Qd5#
- 1...Bc8
- 2.Sg6#
- 2.Qd5#
- 1...Bxc4!
- threat
- 1.Qe4+?
- 1...Rxe4
- 2.Sg6#
- 2.Sd7#
- 1...Sxe4
- 2.Rf5#
- 1...Kxe4!
- 1...Rxe4
- 1.Se1?
- Keys
- 1.Se3!
- threat
- 2.Qd5#
- 2.Qe8#
- 1...Rxc3
- 2.Qd5#
- 1...Rxc7
- 2.Sg6#
- 1...Rf4
- 2.Sd7#
- 1...Rc6
- 2.Qe8#
- 1...Bb7
- 2.Qe8#
- 1...Sf5
- 2.Rxf5#
- 1...Rd4
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Rc5
- 2.Sg6#
- 2.Sd7#
- 2.Qe8#
- 1...Bb5
- 2.Qd5#
- 1...Bc8
- 2.Sxc4#
- 2.Qd5#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(c);::S(I)
- R(c);::QAR(H)
- R(c);N_SPINR(f),XB(G)::S(I)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- R(c);XP(D)::QAR1(H)
- R(c);N_SPINR(f),XB(G)::S(I)
- R(c);::S(I)
- R(c);::QAR(H)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- B(e);
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(c);XP(D)::QAR1(H)
- R(c);N_SPINR(f),XB(G)::S(I)
- R(c);::S(I)
- R(c);::QAR(H)
- B(e);::QAR(H)
- S(b);N_GUARD::R1(C),XS(b)
- Refutation
- B(a);XS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(c);XP(D)::QAR1(H)
- R(c);N_SPINR(f),XB(G)::S(I)
- R(c);::QAR(H)
- B(e);::S(I)
- Refutation
- B(e);
- Try
- B(A);XR(c)
- Threat
- DUALS(4)
- Vars
- B(e);::QAR(H)
- Refutation
- B(e);XB(A)
- Try
- Q(H);CHECK
- Vars
- S(b);SBLOCK,XQ(H)::R1(C)
- Refutation
- K(d);N_SPINR(f),P-FLIGHT,XQ(H)
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- R(c);XP(D)::QAR1(H)
- R(c);N_SPINR(f),XB(G)::S(I)
- R(c);::S(I)
- R(c);::QAR(H)
- B(e);::QAR(H)
- S(b);N_GUARD::R1(C),XS(b)
- B(e);::QAR1(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).