MESON Chess Problem Database
Problem Display
PID: 75678 (8/8/2b4r/B1K1R1pq/5p2/NN1k1B2/6n1/1r2R1nQ w - - 0 1)
Chepizhni, Viktor Ivanovich
1st Prize, 64 Shakhmatnoe obozrenie, 2005
#2
8 + 9
| 56 | The Problemist | 2007 |
| 6167 | Viktor Chepizhny | 2007 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Rc1+
- 2.Sxc1#
- 1...Rd1
- 2.Rxd1#
- 1...Rb2
- 2.Sc1#
- 1...Rxb3
- 2.Rd1#
- 1...Ba4
- 2.Be4#
- 2.Rd5#
- 1...Be4
- 2.Bxe4#
- 1...Bb5
- 2.Be4#
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 1...Bd7
- 2.Be4#
- 2.Rd5#
- 1...Be8
- 2.Be4#
- 2.Rd5#
- 1...Sxf3
- 2.Qf1#
- 1...Sh3
- 2.Qf1#
- 1...Rc1+
- Tries
- 1.Bd5?
- threat
- 2.Bc4#
- 1...Rc1+
- 2.Sxc1#
- 1...Bxd5
- 2.Rxd5#
- 1...Bb5
- 2.Be4#
- 1...Se3
- 2.Qe4#
- 1...Qf7!
- threat
- 1.Bxc6?
- threat
- 2.Be4#
- 2.Bb5#
- 2.Rd5#
- 1...Rc1+
- 2.Sxc1#
- 1...Rxe1
- 2.Bb5#
- 1...Rxb3
- 2.Be4#
- 2.Rd5#
- 1...Sxe1
- 2.Bb5#
- 2.Qe4#
- 2.Qd5#
- 1...Qe2
- 2.Bb5#
- 1...Qf3
- 2.Bb5#
- 1...Qg6
- 2.Bb5#
- 2.Rd5#
- 1...Qf7
- 2.Be4#
- 1...Qe8
- 2.Be4#
- 2.Rd5#
- 1...Rd6
- 2.Be4#
- 2.Bb5#
- 1...Se2
- 2.Bb5#
- 1...Sf3
- 2.Be4#
- 2.Bb5#
- 2.Qf1#
- 1...Se3
- 2.Be4#
- 2.Qe4#
- 1...g4
- 2.Be4#
- 2.Bb5#
- 1...Rxc6+!
- threat
- 1.Rxb1?
- threat
- 2.Sc1#
- 2.Rd1#
- 1...Qxf3
- 2.Sc1#
- 1...Bxf3
- 2.Sc1#
- 1...Sxf3
- 2.Sc1#
- 2.Qf1#
- 1...Se2
- 2.Rd1#
- 2.Qd1#
- 1...Se3
- 2.Sc1#
- 1...Be4!
- threat
- 1.Qxg2?
- threat
- 2.Qc2#
- 2.Qd2#
- 1...Rc1+
- 2.Sxc1#
- 1...Sxf3
- 2.Qf1#
- 2.Qc2#
- 2.Qe2#
- 1...Rd1
- 2.Rxd1#
- 2.Qc2#
- 1...Rb2
- 2.Sc1#
- 1...Se2
- 2.Qxe2#
- 1...Qh2!
- threat
- 1.Qxg1?
- threat
- 2.Qd4#
- 2.Qf1#
- 1...Rc1+
- 2.Sxc1#
- 1...Qxf3
- 2.Qd4#
- 1...Rxe1
- 2.Qd4#
- 1...Bxf3
- 2.Qd4#
- 1...Qh1
- 2.Be2#
- 2.Qd4#
- 1...Rb2
- 2.Sc1#
- 2.Qd4#
- 1...Rd6
- 2.Qf1#
- 1...Se3!
- threat
- 1.Bd5?
- Keys
- 1.Rc1!
- threat
- 2.Rc3#
- 1...Rxc1+
- 2.Sxc1#
- 1...Rxb3
- 2.Rd1#
- 1...Se2
- 2.Qd1#
- threat
- 1.Rc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);CHECK,N_GUARD::S(D),XR(a)
- R(a);N_GUARD::R(A),XR(a)
- R(a);N_GUARD::S(D)
- R(a);N_GUARD,XS(D)::R(A)
- B(h);N_GUARD::B(E),XB(h)
- B(h);N_GUARD::R(H),XB(h)
- S(b);OGATE,XB(E)::QAB(B)
- S(b);OGATE::QAB(B)
- Tries
- Try
- B(E);
- Threat
- B(E)
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- B(h);OGATE,XB(E)::R(H),XB(h)
- B(h);N_GUARD::B(E)
- S(c);OGATE::QAB1(B)
- Refutation
- Q(g);
- Try
- B(E);XB(h)
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- R(a);XR(A)::B(E)
- Q(g);::B(E)
- S(b);::B(E)
- Refutation
- R(i);CHECK,XB(E)
- Try
- R(A);XR(a)
- Threat
- DUALS(2)
- Vars
- Q(g);XB(E)::S(D)
- B(h);XB(E)::S(D)
- S(c);::S(D)
- Refutation
- B(h);
- Try
- Q(B);XS(c)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- R(a);N_GUARD::S(D)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- Q(g);
- Try
- Q(B);XS(b)
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,N_GUARD::S(D),XR(a)
- Q(g);XB(E)::QAR1(B)
- R(a);XR(A)::QAR1(B)
- B(h);XB(E)::QAR1(B)
- R(i);::QAB(B)
- Refutation
- S(c);
- Try
- Actual
- R(A);
- Threat
- R1(A)
- Vars
- R(a);CHECK,XR(A)::S(D),XR(a)
- R(a);N_GUARD,XS(D)::R(A)
- S(b);OGATE::QAR2(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).