MESON Chess Problem Database
Problem Display
PID: 235102 (nQ5q/7p/8/1R1Pr1p1/p3k1P1/R2N4/Bn1p1BK1/3N4 w - - 0 1)
Shanshin, Valery Yurevich
64 Shakhmatnoe obozrenie, 2018
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qc8
- 2.Qxe5#
- 1...Qd8
- 2.Qxe5#
- 1...Qf8
- 2.Qxe5#
- 1...Qg8
- 2.Qxe5#
- 1...Rxd5
- 2.Bxd5#
- 1...Rf5
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Re7
- 2.Sc5#
- 1...Re8
- 2.Sc5#
- 1...Sxd1
- 2.Rb4#
- 1...Qc8
- Tries
- 1.Kg3?
- threat
- 2.Sc5#
- 1...Rxd5
- 2.Bxd5#
- 1...Sxd3
- 2.Sc3#
- 1...Qc8
- 2.Qxe5#
- 1...Qf8
- 2.Qxe5#
- 1...Sc4!
- threat
- 1.S1xb2?
- threat
- 2.Rxa4#
- 2.Rb4#
- 1...Qxb8
- 2.Rxa4#
- 1...Rxd5
- 2.Bxd5#
- 1...d1Q
- 2.Rb4#
- 1...d1B
- 2.Rb4#
- 1...Qc8
- 2.Qxe5#
- 1...Qf8
- 2.Qxe5#
- 1...Rf5
- 2.Sc5#
- 1...Re6
- 2.Sc5#
- 1...Re7
- 2.Sc5#
- 1...Re8
- 2.Sc5#
- 1...Sb6!
- threat
- 1.Be3?
- threat
- 2.S3f2#
- 2.Sc5#
- 1...Rxd5
- 2.S3f2#
- 2.Bxd5#
- 1...Sxd1
- 2.Sc5#
- 1...Qf6
- 2.Sc5#
- 1...Qc8
- 2.S3f2#
- 2.Qxe5#
- 1...Qf8
- 2.Qxe5#
- 1...Rf5
- 2.Sc5#
- 1...Sc4
- 2.S3f2#
- 1...Sxd3!
- threat
- 1.Qa7?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...Rxd5
- 2.Bxd5#
- 2.Qe3#
- 1...Sxd1
- 2.Rb4#
- 2.Qd4#
- 2.Qxa4#
- 1...Sc4
- 2.Qd4#
- 1...Rf5
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Re7
- 2.Qe3#
- 1...Re8
- 2.Qe3#
- 1...Sb6!
- threat
- 1.Qb6?
- threat
- 2.Qe3#
- 2.Qd4#
- 1...Rxd5
- 2.Bxd5#
- 2.Qe3#
- 1...Sxd1
- 2.Rb4#
- 2.Qd4#
- 1...Sc4
- 2.Qd4#
- 1...Rf5
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Re7
- 2.Qe3#
- 1...Re8
- 2.Qe3#
- 1...Sxb6!
- threat
- 1.Kg3?
- Keys
- 1.Bb1!
- threat
- 2.Sc3#
- 1...Rxd5
- 2.Sc5#
- 1...Sxd1
- 2.Rxa4#
- 1...Sxd3
- 2.Rxa4#
- 1...Qc8
- 2.Qxe5#
- 1...Rf5
- 2.S3xb2#
- 1...Re6
- 2.S3xb2#
- 1...Re7
- 2.S3xb2#
- 1...Re8
- 2.S3xb2#
- threat
- 1.Bb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(i);N_GUARD::QAR1(J),XR(e)
- R(e);OGATE,XP(I)::B(B),XR(e)
- R(e);::S(F)
- S(a);N_GUARD,XS(A)::R(H)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- S(F)
- Vars
- R(e);OGATE,XP(I)::B(B),XR(e)
- S(a);SBLOCK,XS(F)::S(A)
- Q(i);N_GUARD::QAR1(J),XR(e)
- Refutation
- S(a);
- Try
- S(A);XS(a)
- Threat
- DUALS(2)
- Vars
- Q(i);XQ(J)::R(E),XP(c)
- R(e);OGATE,XP(I)::B(B),XR(e)
- P(b);::R(H)
- Q(i);N_GUARD::QAR1(J),XR(e)
- R(e);::S(F)
- Refutation
- S(h);
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- S(a);XS(A)::S(F)
- Q(i);::S(F)
- Q(i);N_GUARD::QAR1(J),XR(e)
- R(e);::S(F)
- S(a);::S(F)
- Refutation
- S(a);XS(F)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(J)
- R(e);::QAR1(J)
- Refutation
- S(h);
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(a);::QAR1(J)
- R(e);::QAR1(J)
- Refutation
- S(h);XQ(J)
- Try
- Actual
- B(B);
- Threat
- S(A)
- Vars
- R(e);SBLOCK,XP(I)::B(B)+S(F),DCHECK
- S(a);N_GUARD,XS(A)::R(E),XP(c)
- S(a);N_GUARD,P_SPINS(a),XS(F)::R(E),XP(c)
- Q(i);N_GUARD::QAR1(J),XR(e)
- R(e);::B(B)+S(F),XS(a)
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).