MESON Chess Problem Database
Problem Display
PID: 149599 (8/r7/q4p2/4Rpn1/1B1Qpk2/8/4PP1N/1n3KN1 w - - 0 1)
Pilchenko, Viacheslav Karlovich
Shavirin, Valery Mikhailovich
1st Prize, Arguelles MT, 2002
#2
8 + 8
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qxe2+
- 2.Sxe2#
- 1...Qb7
- 2.e3#
- 1...Qc8
- 2.e3#
- 1...Qa1
- 2.e3#
- 1...Qa2
- 2.e3#
- 1...Qa4
- 2.e3#
- 1...Qa5
- 2.e3#
- 1...Qb6
- 2.e3#
- 1...Qc6
- 2.e3#
- 1...Qd6
- 2.e3#
- 1...Qe6
- 2.e3#
- 1...Sd2+
- 2.Bxd2#
- 1...Sa3
- 2.Bd2#
- 1...Sf3
- 2.Sh3#
- 1...Sh3
- 2.Sxh3#
- 1...Se6
- 2.Sh3#
- 1...Sf7
- 2.Sh3#
- 1...Sh7
- 2.Sh3#
- 1...fxe5
- 2.Qe3#
- 1...Qxe2+
- Tries
- 1.Bd6?
- threat
- 2.Rxe4#
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Qxd6
- 2.e3#
- 1...fxe5
- 2.Bxe5#
- 2.Qe3#
- 2.Qxe5#
- 1...Sf3
- 2.Sh3#
- 2.Qe3#
- 1...Sh3
- 2.Sxh3#
- 2.Qe3#
- 1...Se6
- 2.Sh3#
- 2.Qe3#
- 1...Sf7
- 2.Sh3#
- 2.Qe3#
- 1...Sh7
- 2.Sh3#
- 2.Qe3#
- 1...Qd3
- 2.Rxe4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Rd5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Qa3
- 2.Rxe4#
- 2.Rc5#
- 1...Qb6
- 2.Rxe4#
- 2.e3#
- 1...Sd2+!
- threat
- 1.Rxe4+?
- 1...Sxe4
- 2.Sh3#
- 1...fxe4!
- 1...Sxe4
- 1.Ra5?
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Qxa5
- 2.e3#
- 1...Qd3
- 2.Bd6#
- 1...Qb6
- 2.e3#
- 1...Qb5!
- threat
- 1.Rb5?
- threat
- 2.Qe3#
- 2.e3#
- 1...Sd2+
- 2.Bxd2#
- 1...Sf3
- 2.Sh3#
- 2.Qe3#
- 1...Sh3
- 2.Sxh3#
- 2.Qe3#
- 1...Se6
- 2.Sh3#
- 2.Qe3#
- 1...Sf7
- 2.Sh3#
- 2.Qe3#
- 1...Sh7
- 2.Sh3#
- 2.Qe3#
- 1...Qa3
- 2.Qd6#
- 1...Qb6
- 2.e3#
- 1...Qxb5!
- threat
- 1.Rc5?
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Qa3
- 2.Qd6#
- 1...Qd3!
- threat
- 1.Rd5?
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Qd3
- 2.Bd6#
- 1...Qb6
- 2.e3#
- 1...Qa3!
- threat
- 1.Re7?
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Se6
- 2.Sh3#
- 1...Qd3
- 2.Bd6#
- 1...Qa3
- 2.Qd6#
- 1...Qb6
- 2.e3#
- 1...Qe6
- 2.e3#
- 1...Rxe7!
- threat
- 1.Re8?
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Se6
- 2.Sh3#
- 1...Qd3
- 2.Bd6#
- 1...Qa3
- 2.Qd6#
- 1...Qb6
- 2.e3#
- 1...Qe6
- 2.e3#
- 1...Re7!
- threat
- 1.Qc5?
- threat
- 2.Rxf5#
- 1...Qxe2+
- 2.Sxe2#
- 1...fxe5
- 2.Qe3#
- 1...Qc8
- 2.e3#
- 1...Qe6
- 2.e3#
- 1...e3
- 2.Qxe3#
- 1...Sd2+!
- threat
- 1.Bd6?
- Keys
- 1.Re6!
- threat
- 2.Qe3#
- 1...Qxe2+
- 2.Sxe2#
- 1...Sd2+
- 2.Bxd2#
- 1...Qxe6
- 2.e3#
- 1...Sxe6
- 2.Sh3#
- 1...Qd3
- 2.Bd6#
- 1...Qa3
- 2.Qd6#
- 1...Qb6
- 2.e3#
- threat
- 1.Re6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- Q(f);N_PINP(C)::P(C)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- S(a);N_GUARD::B(F)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD::S(B),XS(e)
- P(g);SBLOCK,XR(H)::QAB1(G)
- Tries
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- Q(f);N_PINP(C),XB(F)::P(C)
- Refutation
- S(a);CHECK
- Try
- R(H);CHECK,XP(b)
- Vars
- S(e);P_SPINS(e),XR(H)::S(B)
- Refutation
- P(d);P_SPINP(d),XR(H)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- Q(f);N_PINP(C),XR(H)::P(C)
- Q(f);N_GUARD::B(F)
- Q(f);N_PINP(C)::P(C)
- Refutation
- Q(f);
- Try
- R(H);N_SPINP(C)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::B(F),XS(a)
- Q(f);N_GUARD::QAB(G)
- Q(f);::P(C)
- Refutation
- Q(f);P_PINP(C),XR(H)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- Q(f);N_GUARD,N_PINP(C)::QAB(G)
- Refutation
- Q(f);
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- Q(f);N_GUARD::B(F)
- Q(f);N_PINP(C)::P(C)
- Refutation
- Q(f);N_PINP(C)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- S(e);N_GUARD::S(B)
- Q(f);N_GUARD::B(F)
- Q(f);N_GUARD,N_PINP(C)::QAB(G)
- Q(f);N_PINP(C)::P(C)
- Refutation
- R(h);XR(H)
- Try
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- S(e);N_GUARD::S(B)
- Q(f);N_GUARD::B(F)
- Q(f);N_GUARD,N_PINP(C)::QAB(G)
- Q(f);N_PINP(C)::P(C)
- Refutation
- R(h);
- Try
- Q(G);N_PINP(b)
- Threat
- R1(H),XP(d)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- P(g);SBLOCK,XR(H)::QAB1(G)
- Q(f);N_PINP(C)::P(C)
- P(b);::QAB1(G),XP(b)
- Refutation
- S(a);CHECK
- Try
- Actual
- R(H);
- Threat
- QAB1(G)
- Vars
- Q(f);CHECK,XP(C)::S(B),XQ(f)
- S(a);CHECK,N_GUARD::B(F),XS(a)
- Q(f);N_PINP(C),XR(H)::P(C)
- S(e);N_GUARD,XR(H)::S(B)
- Q(f);N_GUARD::B(F)
- Q(f);N_GUARD,N_PINP(C)::QAB(G)
- Q(f);N_PINP(C)::P(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).