MESON Chess Problem Database
Problem Display
PID: 133399 (q6b/8/r2Q4/1r1p4/R1NNk3/2p3Bn/2P3PK/1n1R1B2 w - - 0 1)
Shanshin, Valery Yurevich
1st Prize, Zadachi i Etyudi, 2002
#2
10 + 9
| 56 | The Problemist | 2009 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Qg6#
- 1...Ra5
- 2.Qg6#
- 1...Ra7
- 2.Qg6#
- 1...Bxd4
- 2.Bd3#
- 1...Be5
- 2.Qxe5#
- 1...Sg1
- 2.Qf4#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg5
- 2.Qf4#
- 1...dxc4
- 2.Re1#
- 1...Rxa4
- Tries
- 1.Sd2+?
- 1...Ke3
- 2.Sf5#
- 1...Sxd2
- 2.Re1#
- 1...cxd2!
- 1...Ke3
- 1.Sa5?
- threat
- 2.Re1#
- 1...Ke3
- 2.Sf5#
- 1...Bxd4
- 2.Qe5#
- 1...Sg1
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Rb4!
- threat
- 1.Sxb5?
- threat
- 2.Bd3#
- 1...dxc4
- 2.Qd3#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Kf5!
- threat
- 1.Sf5?
- threat
- 2.Bd3#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Kxf5!
- threat
- 1.Se6?
- threat
- 2.Bd3#
- 1...dxc4
- 2.Qd3#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Kf5!
- threat
- 1.Be5?
- threat
- 2.Bd3#
- 2.Re1#
- 1...Bxe5+
- 2.Qxe5#
- 1...dxc4
- 2.Re1#
- 1...Sg1
- 2.Bd3#
- 1...Sf2
- 2.Re1#
- 1...Sf4!
- threat
- 1.Qe7+?
- 1...Be5
- 2.Qxe5#
- 1...Re6!
- 1...Be5
- 1.Qe6+?
- 1...Be5
- 2.Qf5#
- 2.Qxe5#
- 1...Rxe6!
- 1...Be5
- 1.gxh3?
- threat
- 2.Bg2#
- 2.Qf4#
- 1...Rxd6
- 2.Bg2#
- 1...Bxd4
- 2.Qf4#
- 1...dxc4
- 2.Re1#
- 1...Sd2
- 2.Qf4#
- 1...Qb8
- 2.Bg2#
- 1...Be5
- 2.Bg2#
- 2.Qxe5#
- 1...Qf8!
- threat
- 1.Sd2+?
- Keys
- 1.Sf3!
- threat
- 2.Bd3#
- 1...Kf5
- 2.Se3#
- 1...dxc4
- 2.Qd3#
- 1...Sf2
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- threat
- 1.Sf3!
This is a version of 59526
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(g);N_GUARD,XR(G)::QAB(J)
- R(g);N_GUARD::QAB(J)
- B(i);SBLOCK,XS(I)::B(B)
- B(i);N_GUARD,P_PINB(F)::QAR1(J),XB(i)
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(c)
- P(f);XS(H)::R(A)
- Tries
- Try
- S(H);CHECK
- Vars
- K(d);P-FLIGHT::S(I)
- S(a);XS(H)::R(A)
- Refutation
- P(b);XS(H)
- Try
- S(H);
- Threat
- R(A)
- Vars
- K(d);P-FLIGHT::S(I)
- B(i);N_GUARD,P_SPINB(i),XS(I)::QAR1(J)
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(c)
- Refutation
- R(e);
- Try
- S(I);XR(e)
- Threat
- B(B)
- Vars
- P(f);OGATE,P_SPINP(f),XS(H)::QAB1(J)
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- S(I);
- Threat
- B(B)
- Vars
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(c)
- Refutation
- K(d);S_FLIGHT,XS(I)
- Try
- S(I);
- Threat
- B(B)
- Vars
- P(f);OGATE,P_SPINP(f),XS(H)::QAB1(J)
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(c)
- Refutation
- K(d);S_FLIGHT
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,OGATE,XB(F)::QAR1(J),XB(i)
- P(f);XS(H)::R(A)
- S(c);::B(B)
- S(c);::R(A)
- Refutation
- S(c);
- Try
- Q(J);CHECK
- Vars
- B(i);N_GUARD,P_PINB(F),P_SPINB(i)::QAR1(J),XB(i)
- Refutation
- R(g);P_SPINR(g)
- Try
- Q(J);CHECK
- Refutation
- R(g);XQ(J)
- Try
- P(D);XS(c)
- Threat
- DUALS(2)
- Vars
- R(g);XQ(J)::B(B)
- B(i);XS(I)::QAR1(J)
- P(f);XS(H)::R(A)
- S(a);::QAR1(J)
- Q(h);::B(B)
- Refutation
- Q(h);
- Try
- Actual
- S(I);
- Threat
- B(B)
- Vars
- K(d);S_FLIGHT::S(H)
- P(f);OGATE,P_SPINP(f),XS(H)::QAB1(J)
- S(c);N_GUARD::QAR1(J)
- S(c);N_GUARD::QAR1(J),XS(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).