MESON Chess Problem Database
Problem Display
PID: 132066 (1n6/pK3Q2/4p3/1Npk4/5n1R/1P2R3/1PB4b/rq1brN2 w - - 0 1)
Surkov, Ruslan Albertovich
4th Place=, Moscow Championship, 2000
#2
9 + 11
| 56 | The Problemist | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Se2
- 2.Qxe6#
- 2.Qf3#
- 1...Sg2
- 2.Qxe6#
- 1...Sd3
- 2.Qxe6#
- 1...Sh3
- 2.Qxe6#
- 1...Sh5
- 2.Qxe6#
- 1...Sg6
- 2.Qxe6#
- 1...Sa6
- 2.Qd7#
- 1...Sc6
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- 1...Se2
- Tries
- 1.Sc3+?
- 1...Kd6
- 2.Qc7#
- 1...Kd4!
- 1...Kd6
- 1.Be4+?
- 1...Ke5
- 2.Qg7#
- 1...Qxe4!
- 1...Ke5
- 1.Rh5+?
- 1...Sxh5
- 2.Qxe6#
- 1...Bxh5!
- 1...Sxh5
- 1.Qxf4?
- threat
- 2.Sc3#
- 2.Sc7#
- 2.Rd3#
- 2.Qc4#
- 2.Qe4#
- 1...Qxc2
- 2.Sc7#
- 1...Qxb2
- 2.Sc7#
- 2.Be4#
- 2.Qc4#
- 2.Qe4#
- 1...Rxe3
- 2.Sxe3#
- 2.Sc7#
- 1...Bxc2
- 2.Sc3#
- 2.Sc7#
- 2.Qc4#
- 1...c4
- 2.Qxc4#
- 2.Qd4#
- 1...e5
- 2.Qc4#
- 2.Qf7#
- 1...Ra4
- 2.Sc3#
- 2.Sc7#
- 1...Be2
- 2.Sc3#
- 2.Sc7#
- 2.Re5#
- 2.Qe4#
- 1...Bf3
- 2.Sc3#
- 2.Sc7#
- 2.Rd3#
- 2.Qxf3#
- 2.Qc4#
- 1...Bg1
- 2.Sc3#
- 2.Sc7#
- 2.Qe5#
- 2.Qd6#
- 2.Qc4#
- 2.Qe4#
- 1...Sa6
- 2.Sc3#
- 2.Rd3#
- 2.Qc4#
- 2.Qe4#
- 1...Sc6
- 2.Sc3#
- 2.Sc7#
- 2.Qc4#
- 2.Qe4#
- 1...Bxf4!
- threat
- 1.Qf5+?
- 1...e5
- 2.Qxe5#
- 1...exf5!
- 1...e5
- 1.Qc7?
- threat
- 2.Qe5#
- 2.Qd6#
- 1...Qxb2
- 2.Be4#
- 2.Qd6#
- 1...Rxe3
- 2.Sxe3#
- 2.Qd6#
- 1...e5
- 2.Qxe5#
- 2.Qd6#
- 1...Ra6
- 2.Qe5#
- 1...Sg2
- 2.Sc3#
- 2.Rd3#
- 1...Sd3
- 2.Sc3#
- 2.Rxd3#
- 1...Sh3
- 2.Sc3#
- 2.Rd3#
- 1...Sh5
- 2.Sc3#
- 2.Rd3#
- 1...Sg6
- 2.Sc3#
- 2.Rd3#
- 1...Sc6
- 2.Qd6#
- 2.Qxc6#
- 2.Qd7#
- 1...Sd7
- 2.Qd6#
- 2.Qc6#
- 2.Qxd7#
- 1...Se2!
- threat
- 1.Qe7?
- threat
- 2.Qd6#
- 1...Se2
- 2.Qxe6#
- 1...Sg2
- 2.Sc3#
- 2.Qxe6#
- 1...Sd3
- 2.Sc3#
- 2.Qxe6#
- 1...Sh3
- 2.Sc3#
- 2.Qxe6#
- 1...Sh5
- 2.Sc3#
- 2.Qxe6#
- 1...Sg6
- 2.Sc3#
- 2.Qxe6#
- 1...Ra6!
- threat
- 1.Qf8?
- threat
- 2.Qd6#
- 1...Se2
- 2.Qf3#
- 1...Sg2
- 2.Sc3#
- 1...Sd3
- 2.Sc3#
- 1...Sh3
- 2.Sc3#
- 1...Sh5
- 2.Sc3#
- 1...Sg6
- 2.Sc3#
- 1...Ra6!
- threat
- 1.Sc3+?
- Keys
- 1.Qg7!
- threat
- 2.Qe5#
- 1...Qxb2
- 2.Be4#
- 1...Rxe3
- 2.Sxe3#
- 1...e5
- 2.Qxe5#
- 1...Se2
- 2.Qg2#
- 1...Sg2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sh3
- 2.Rd3#
- 1...Sh5
- 2.Rd3#
- 1...Sg6
- 2.Rd3#
- 1...Sc6
- 2.Qd7#
- 1...Sd7
- 2.Qxd7#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 5
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- S(f);N_GUARD::QAB1(I),XP(i)
- S(k);N_GUARD::QAR2(I)
- S(k);N_GUARD::QAR2(I),XS(k)
- Tries
- Try
- S(G);CHECK
- Vars
- K(h);N_SPINP(i),P-FLIGHT::QAB1(I)
- Refutation
- K(h);N_SPINP(i),P-FLIGHT,P_SPINS(f)
- Try
- B(C);CHECK
- Vars
- K(h);N_SPINP(i),P-FLIGHT::QAB(I)
- Refutation
- Q(b);XB(C)
- Try
- R(F);CHECK
- Vars
- S(f);XR(F)::QAB1(I),XP(i)
- Refutation
- B(c);XR(F)
- Try
- Q(I);N_PINP(i),XS(f)
- Threat
- DUALS(5)
- Vars
- Q(b);XB(C)::S(G)
- Refutation
- B(e);XQ(I)
- Try
- Q(I);CHECK,N_PINP(i)
- Vars
- P(i);P_SPINP(i)::QAR1(I),XP(i)
- Refutation
- P(i);XQ(I)
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- R(a);::QAR1(I)
- Refutation
- S(f);
- Try
- Q(I);N_PINP(i)
- Threat
- QAR1(I)
- Vars
- S(f);N_GUARD::QAB1(I),XP(i)
- Refutation
- R(a);
- Try
- Q(I);N_PINP(i)
- Threat
- QAR1(I)
- Vars
- S(f);OGATE::QAB(I)
- S(f);::S(G)
- Refutation
- R(a);
- Try
- Actual
- Q(I);N_PINP(i)
- Threat
- QAR1(I)
- Vars
- Q(b);N_GUARD,XP(B)::B(C)
- R(d);XR(E)::S(A),XR(d)
- P(i);::QAR1(I),XP(i)
- S(f);N_GUARD,S_CUTB(c)::QAB(I)
- S(f);N_GUARD::R(E)
- S(f);N_GUARD::R(E),XS(f)
- S(k);N_GUARD::QAR2(I)
- S(k);N_GUARD::QAR2(I),XS(k)
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).