MESON Chess Problem Database
Problem Display
PID: 102916 (1b5N/3K3P/2B1pP1R/5kN1/3B1p1P/1Q4pP/p3q3/1b6 w - - 0 1)
Usmanov, Rashid R
Sp. Prize, Ovechkin-95, 2006
#2
11 + 8
| 6490 | yacpdb | 2009 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Qxe6#
- 1...Qf1
- 2.Qxe6#
- 1...Qd3
- 2.Qxe6#
- 1...Qf3
- 2.Qxe6#
- 1...Qg4
- 2.Qxe6#
- 1...Qb5
- 2.Qxe6#
- 1...Qh5
- 2.Qxe6#
- 1...Qa6
- 2.Qxe6#
- 1...Qb2
- 2.Qxe6#
- 1...Qc2
- 2.Qxe6#
- 1...Qd2
- 2.Qxe6#
- 1...Qf2
- 2.Qxe6#
- 1...Qg2
- 2.Qxe6#
- 1...Qh2
- 2.Qxe6#
- 1...Be4
- 2.Qxe6#
- 1...Be5
- 2.Qxe6#
- 1...e5
- 2.Qe6#
- 1...Qd1
- Tries
- 1.Sf3?
- threat
- 2.Rh5#
- 1...Qxf3
- 2.Qxe6#
- 1...Be5
- 2.Qxe6#
- 1...e5
- 2.Qe6#
- 1...Qe5!
- threat
- 1.Se4?
- threat
- 2.Qxe6#
- 1...Qxe4
- 2.Rh5#
- 1...Qc4
- 2.Rh5#
- 1...e5
- 2.Qe6#
- 1...f3!
- threat
- 1.Sxe6?
- threat
- 2.Sg7#
- 1...Qxe6+
- 2.Qxe6#
- 1...f3
- 2.Rh5#
- 1...Qg4!
- threat
- 1.Be4+?
- 1...Bxe4
- 2.Qxe6#
- 1...Qxe4!
- 1...Bxe4
- 1.f7?
- threat
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...f3
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...a1Q
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...a1S
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...a1B
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...a1R
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Qd1
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qf1
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qd3
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qf3
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qc4
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Qg4
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qb5
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qh5
- 2.Rf6#
- 2.Qxe6#
- 1...Qa6
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qe1
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Qb2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qc2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qd2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qf2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qg2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qh2
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Qe3
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Qe4
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Bc2
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Bd3
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Be4
- 2.Rf6#
- 2.Qxe6#
- 2.f8Q#
- 2.f8R#
- 1...Be5
- 2.Qxe6#
- 1...Bd6
- 2.Rf6#
- 1...Ba7
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...Bc7
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...g2
- 2.Rf6#
- 2.f8Q#
- 2.f8R#
- 1...e5
- 2.Qe6#
- 2.f8Q#
- 2.f8R#
- 1...Qe5!
- threat
- 1.Sf3?
- Keys
- 1.Rh5!
- threat
- 2.Sf3#
- 1...Qxh5
- 2.Qxe6#
- 1...Qe5
- 2.Se4#
- 1...Be5
- 2.Qxe6#
- 1...f3
- 2.Sxe6#
- 1...e5
- 2.Qe6#
- 1...Qf3
- 2.Sxf3#
- 2.Qxe6#
- 1...Qg4
- 2.Qxe6#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(c);N_GUARD,P_PINB(C)::QAB1(A),XP(g)
- Q(c);N_GUARD::QAB1(A),XP(g)
- Q(c);N_GUARD,P_PINB(F)::QAB1(A),XP(g)
- B(a);S_CUTQ(c)::QAB1(A),XP(g)
- B(h);S_CUTQ(c)::QAB1(A),XP(g)
- P(g);S_CUTQ(c)::QAB1(A)
- Tries
- Try
- S(E);
- Threat
- R(H)
- Vars
- Q(c);N_GUARD,XS(E)::QAB1(A),XP(g)
- B(h);S_CUTQ(c)::QAB1(A),XP(g)
- P(g);S_CUTQ(c)::QAB1(A)
- Refutation
- Q(c);
- Try
- S(E);
- Threat
- QAB1(A),XP(g)
- Vars
- Q(c);N_GUARD,XS(E)::R(H)
- Q(c);N_GUARD::R(H)
- P(g);::QAB1(A)
- Refutation
- P(e);
- Try
- S(E);XP(g)
- Threat
- S(E)
- Vars
- Q(c);CHECK,OGATE,XS(E)::QAB1(A),XQ(c)
- P(e);S_CUTQ(c)::R(H)
- Refutation
- Q(c);
- Try
- B(F);CHECK
- Vars
- B(a);XB(F)::QAB1(A),XP(g)
- Refutation
- Q(c);XB(F)
- Try
- P(G);
- Threat
- DUALS(3)
- Vars
- B(h);S_CUTQ(c)::QAB1(A),XP(g)
- B(h);::R1(H)
- Refutation
- Q(c);
- Try
- Actual
- R(H);
- Threat
- R(H)+S(E)
- Vars
- Q(c);N_GUARD,XR(H)::QAB1(A),XP(g)
- Q(c);N_GUARD::R(H)+S(E)
- B(h);S_CUTQ(c)::QAB1(A),XP(g)
- P(e);S_CUTQ(c)::R(H)+S(E),XP(g)
- P(g);S_CUTQ(c)::QAB1(A)
- Q(c);N_GUARD::QAB1(A),XP(g)
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).