MESON Chess Problem Database
Problem Display
PID: 63160 (B2N1B1n/b7/q6R/r2PkPP1/pR4P1/Kp3p2/5p2/3Q3n w - - 0 1)
Chepizhni, Viktor Ivanovich
1st Prize, Uralski Problemist, 2003
#2
11 + 10
| 145 | StrateGems | 2005 |
| 56 | The Problemist | 2005 |
| 6167 | Viktor Chepizhny | 2007 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qe2
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qd3
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qb5
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qb7
- 2.Bd6#
- 2.Re6#
- 1...Qc8
- 2.Bd6#
- 2.Bg7#
- 1...Qc6
- 2.Sxc6#
- 1...Qd6
- 2.Bxd6#
- 1...Qe6
- 2.Rxe6#
- 1...Rc5
- 2.Qd4#
- 1...Rxd5
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Bb6
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Bb8
- 2.Qd4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Qf1
- Tries
- 1.Bc6?
- threat
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qxc6
- 2.Sxc6#
- 1...Rxd5
- 2.Bg7#
- 2.Re6#
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Qb7
- 2.Bd6#
- 2.Re6#
- 1...Qc8
- 2.Bd6#
- 2.Bg7#
- 1...Bc5
- 2.Bg7#
- 2.Re6#
- 1...Bb8
- 2.Bg7#
- 2.Re6#
- 2.Qd4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 2.Bg7#
- 2.Re6#
- 1...Qc4!
- threat
- 1.Rxa6?
- threat
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Rxd5
- 2.Sc6#
- 2.Bg7#
- 2.Re6#
- 2.Qxd5#
- 1...Bd4
- 2.Qxd4#
- 1...Rc5
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 2.Qd4#
- 1...Bc5
- 2.Sc6#
- 2.Bg7#
- 2.Re6#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Sc6#
- 2.Bg7#
- 2.Re6#
- 2.Qd4#
- 1...Sf7
- 2.Sc6#
- 2.Sxf7#
- 2.Bg7#
- 2.Re6#
- 1...Rxa6!
- threat
- 1.Rc6?
- threat
- 2.Bd6#
- 2.Bg7#
- 1...Qxc6
- 2.Sxc6#
- 1...Rxd5
- 2.Bg7#
- 1...Qd3
- 2.Re6#
- 1...Bd4
- 2.Qxd4#
- 1...Qb7
- 2.Bd6#
- 2.Re6#
- 1...Bc5
- 2.Bg7#
- 1...Bb8
- 2.Bg7#
- 2.Qd4#
- 1...Sf7
- 2.Sxf7#
- 2.Bg7#
- 1...Qc4!
- threat
- 1.Qe2+?
- 1...Qxe2
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Be3
- 2.Qxe3#
- 1...fxe2!
- 1...Qxe2
- 1.Qxf3?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qf4#
- 1...Qc4
- 2.Bg7#
- 1...f1Q
- 2.Re4#
- 2.Qe4#
- 1...f1R
- 2.Re4#
- 2.Qe4#
- 1...Qe2
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 2.Qf4#
- 1...Qd3
- 2.Sc6#
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 2.Qf4#
- 1...Qb7
- 2.Bd6#
- 2.Re6#
- 2.Qe4#
- 1...Qc6
- 2.Sxc6#
- 2.Qe4#
- 1...Qd6
- 2.Bxd6#
- 2.Qe4#
- 2.Qf4#
- 1...Be3
- 2.Re4#
- 2.Qe4#
- 2.Qxe3#
- 1...Bc5
- 2.Qe4#
- 2.Qf4#
- 1...Sg3
- 2.Qxg3#
- 2.Qf4#
- 1...Sg6
- 2.Sf7#
- 2.Re4#
- 2.Qe4#
- 1...Bd4!
- threat
- 1.Qa1+?
- 1...Bd4
- 2.Qxd4#
- 1...b2!
- 1...Bd4
- 1.Qd3?
- threat
- 2.Re4#
- 2.Qe4#
- 1...Qxd3
- 2.Bd6#
- 2.Bg7#
- 2.Re6#
- 1...Qc4
- 2.Bd6#
- 1...Bd4
- 2.Qxd4#
- 1...Qd6
- 2.Bxd6#
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Sg3!
- threat
- 1.d6?
- threat
- 2.Bg7#
- 2.Re4#
- 2.Re6#
- 1...Qxd6
- 2.Bxd6#
- 2.Qxd6#
- 1...Bd4
- 2.Qxd4#
- 1...Qe2
- 2.Sc6#
- 2.Bg7#
- 2.Re6#
- 1...Qd3
- 2.Bg7#
- 2.Re6#
- 1...Qb7
- 2.Re6#
- 1...Qc8
- 2.Bg7#
- 2.Re4#
- 1...Qc6
- 2.Sxc6#
- 2.Bg7#
- 2.Re6#
- 1...Rd5
- 2.Bg7#
- 2.Re6#
- 2.Qxd5#
- 1...Bc5
- 2.Bg7#
- 2.Re6#
- 2.Qd5#
- 1...Sg3
- 2.Bg7#
- 2.Re6#
- 1...Sg6
- 2.Sf7#
- 2.Bg7#
- 2.Re4#
- 1...Qc4!
- threat
- 1.Bc6?
- Keys
- 1.Qd2!
- threat
- 2.Qf4#
- 1...Qc4
- 2.Re6#
- 1...Bd4
- 2.Qxd4#
- 1...Qb7
- 2.Bd6#
- 2.Re6#
- 1...Qc6
- 2.Sxc6#
- 1...Be3
- 2.Qxe3#
- 1...Sg6
- 2.Sf7#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- Q(h);N_GUARD::S(J),XQ(h)
- Q(h);N_GUARD,P_PINR(C)::B(K),XQ(h)
- Q(h);N_GUARD::R1(H),XQ(h)
- R(f);S_CUTB(i)::QAB1(A)
- R(f);OGATE,XP(E)::QAR1(A),XR(f)
- B(i);N_GUARD::QAB1(A),XB(i)
- B(i);N_GUARD::QAB1(A)
- S(j);N_GUARD::S(J)
- S(j);N_GUARD::S(J),XS(j)
- Tries
- Try
- B(I);
- Threat
- DUALS(3)
- Vars
- Q(h);XB(I)::S(J),XQ(h)
- B(i);N_GUARD::QAB1(A),XB(i)
- S(j);N_GUARD::S(J)
- Refutation
- Q(h);
- Try
- R(H);XQ(h)
- Threat
- DUALS(4)
- Vars
- B(i);N_GUARD::QAB1(A),XB(i)
- B(i);::S(J)
- Refutation
- R(f);XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(h);XR(H)::S(J),XQ(h)
- R(f);XP(E)::B(K)
- Q(h);N_GUARD::R1(H)
- B(i);N_GUARD::QAB1(A),XB(i)
- B(i);P_PINR(C)::B(K)
- Refutation
- Q(h);
- Try
- Q(A);CHECK
- Vars
- B(i);N_GUARD,P_SPINB(i)::QAR2(A),XB(i)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);XP(d)
- Threat
- DUALS(3)
- Vars
- Q(h);N_GUARD::B(K)
- Refutation
- B(i);
- Try
- Q(A);CHECK
- Vars
- B(i);N_GUARD,P_SPINB(i)::QAB1(A),XB(i)
- Refutation
- P(c);P_SPINP(c)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD::B(K)
- B(i);N_GUARD::QAB1(A),XB(i)
- B(i);P_PINR(C)::QAR1(A)
- Refutation
- S(a);
- Try
- P(E);
- Threat
- DUALS(3)
- Vars
- B(i);N_GUARD::QAB1(A),XB(i)
- Q(h);::R1(H)
- Refutation
- Q(h);
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- Q(h);N_GUARD::R1(H)
- B(i);N_GUARD::QAB1(A),XB(i)
- Q(h);N_GUARD::S(J),XQ(h)
- B(i);N_GUARD::QAR2(A),XB(i)
- S(j);N_GUARD::S(J)
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).