MESON Chess Problem Database
Problem Display
PID: 51853 (n1r1rB2/1B1pq3/1pP1p3/3kp3/b3N2R/4PQp1/3N4/2R1K3 w - - 0 1)
Markovtsy, Vassyl Yuriovich
4th Prize, The Problemist, 2004
(First published on Thu Jan 1 2004)
#2
10 + 11
| 56 | The Problemist | 2006 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Sc3#
- 2.Sf6#
- 1...Qb4
- 2.Sc3#
- 2.Sf6#
- 1...Qxh4
- 2.Sc3#
- 2.Sf6#
- 1...Qc5
- 2.Sc3#
- 2.Sf6#
- 1...Qg5
- 2.Sc3#
- 2.Sf6#
- 1...Qd6
- 2.Sf6#
- 1...Qf6
- 2.Sc3#
- 2.Sxf6#
- 1...Qd8
- 2.Sc3#
- 2.Sf6#
- 1...Qf7
- 2.Sc3#
- 2.Sf6#
- 1...Qg7
- 2.Sc3#
- 2.Sf6#
- 1...Qh7
- 2.Sc3#
- 2.Sf6#
- 1...Bd1
- 2.c7#
- 1...Bc2
- 2.c7#
- 1...Bb3
- 2.c7#
- 1...b5
- 2.c7#
- 1...d6
- 2.Sf6#
- 1...Qa3
- Tries
- 1.Sb3?
- threat
- 2.Qd1#
- 1...Qb4+
- 2.Sc3#
- 1...Qxh4
- 2.Sf6#
- 1...Bxb3
- 2.c7#
- 1...Qc5
- 2.Sc3#
- 2.Sf6#
- 1...Bb5!
- threat
- 1.Bxe7?
- threat
- 2.Sc3#
- 2.Sf6#
- 1...d6
- 2.Sf6#
- 1...Rxe7!
- threat
- 1.Rc3?
- threat
- 2.Rd3#
- 1...Qa3
- 2.Sf6#
- 1...Qb4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Bc2
- 2.c7#
- 1...Bb5!
- threat
- 1.Rc5+?
- 1...Qxc5
- 2.Sc3#
- 2.Sf6#
- 1...bxc5!
- 1...Qxc5
- 1.Qe2?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qa3
- 2.Sf6#
- 2.Qc4#
- 1...Qb4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Bc2
- 2.Qc4#
- 2.c7#
- 1...Bb3
- 2.Qd3#
- 2.c7#
- 1...b5
- 2.Qd3#
- 2.c7#
- 1...Bb5!
- threat
- 1.Qf1?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Qa3
- 2.Sf6#
- 2.Qc4#
- 1...Qb4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Bc2
- 2.Qc4#
- 2.c7#
- 1...Bb3
- 2.Qd3#
- 2.c7#
- 1...b5
- 2.Qd3#
- 2.c7#
- 1...Bb5!
- threat
- 1.Sb3?
- Keys
- 1.Qd1!
- threat
- 2.Sb3#
- 1...Qxh4
- 2.Sc3#
- 1...Bxd1
- 2.c7#
- 1...Qb4
- 2.Sf6#
- 1...Qc5
- 2.Sf6#
- 1...Bc2
- 2.c7#
- 1...Bb3
- 2.Sxb3#
- 2.Qxb3#
- 2.c7#
- 1...Bb5
- 2.Sc4#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(h);::QAB(E)+S(F),DCHECK
- B(b);N_GUARD::B(I)+P(H)
- P(e);S_CUTB(b)::B(I)+P(H)
- P(g);SBLOCK::QAB(E)+S(F),DCHECK
- Tries
- Try
- S(C);
- Threat
- QAR(E)
- Vars
- Q(h);CHECK::QAB(E)+S(F),DCHECK
- Q(h);XR(G)::QAB(E)+S(F),DCHECK
- B(b);N_GUARD,XS(C)::B(I)+P(H)
- Refutation
- B(b);
- Try
- B(J);XQ(h)
- Threat
- DUALS(2)
- Vars
- P(g);::QAB(E)+S(F),DCHECK
- Refutation
- R(k);XB(J)
- Try
- R(A);
- Threat
- R(A)
- Vars
- Q(h);::QAB(E)+S(F),DCHECK
- B(b);N_GUARD::B(I)+P(H)
- Refutation
- B(b);
- Try
- R(A);CHECK
- Refutation
- P(e);XR(A)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_PINS(C)::S(F)
- Q(h);N_GUARD::S(F)
- Refutation
- B(b);
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_PINS(C)::S(F)
- Q(h);N_GUARD::S(F)
- Refutation
- B(b);
- Try
- Actual
- Q(E);
- Threat
- QAR(E)+S(C)
- Vars
- Q(h);XR(G)::S(F)
- B(b);N_GUARD,XQ(E)::B(I)+P(H)
- Q(h);N_GUARD,P_PINS(C)::S(F)
- Q(h);N_GUARD::S(F)
- B(b);N_GUARD::B(I)+P(H)
- B(b);N_GUARD::QAR(E)+S(C)
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).