MESON Chess Problem Database
Problem Display
PID: 109466 (6K1/p1QN2pp/2RB4/r2k1PP1/8/3PP3/1p2N2q/2r3bb w - - 0 1)
Sushkov, Yuri Akimovich
Revista Romana de Sah, 1987
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Sxf4#
- 1...Qxd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Qg2
- 2.Sf4#
- 1...Qh3
- 2.Sf4#
- 1...Qh5
- 2.Sf4#
- 1...Qh6
- 2.Sf4#
- 1...Rca1
- 2.Sc3#
- 1...Rb1
- 2.Sc3#
- 1...Rd1
- 2.Sc3#
- 1...Re1
- 2.Sc3#
- 1...Rf1
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...a6
- 2.Sb6#
- 1...g6
- 2.Sf6#
- 1...Qf4
- Tries
- 1.Se5?
- threat
- 2.Qf7#
- 1...Rxc6
- 2.Qxc6#
- 1...Qh5
- 2.Sf4#
- 1...Qh6
- 2.Sf4#
- 1...Qxe5!
- threat
- 1.Sb8?
- threat
- 2.Qf7#
- 1...Qxd6
- 2.Qxd6#
- 1...Rxc6
- 2.Qxc6#
- 1...Qh5
- 2.Sf4#
- 1...Qh6
- 2.Sf4#
- 1...Qe5!
- threat
- 1.Bxh2?
- threat
- 2.Sf4#
- 2.Rd6#
- 2.Qd6#
- 1...Rxc6
- 2.Sf4#
- 2.Qe5#
- 1...Bxe3
- 2.Rd6#
- 2.Qd6#
- 1...Rf1
- 2.Sc3#
- 2.Rd6#
- 2.Qd6#
- 1...Rc4
- 2.Rd6#
- 2.Qd6#
- 1...Ra4
- 2.Rd6#
- 2.Qd6#
- 1...Ra6
- 2.Sf4#
- 2.Qd6#
- 1...Bxh2!
- threat
- 1.Bg3?
- threat
- 2.Sf4#
- 2.Rd6#
- 2.Qd6#
- 1...Qxe2
- 2.Rd6#
- 2.Qd6#
- 1...Rxc6
- 2.Sf4#
- 2.Qe5#
- 1...Bxe3
- 2.Rd6#
- 2.Qd6#
- 1...Qf2
- 2.Rd6#
- 2.Qd6#
- 1...Qh4
- 2.Rd6#
- 2.Qd6#
- 1...Qh6
- 2.Sf4#
- 1...Rf1
- 2.Sc3#
- 2.Rd6#
- 2.Qd6#
- 1...Rc4
- 2.Rd6#
- 2.Qd6#
- 1...Ra4
- 2.Rd6#
- 2.Qd6#
- 1...Ra6
- 2.Sf4#
- 2.Qd6#
- 1...Qxg3!
- threat
- 1.Bf4?
- threat
- 2.Rd6#
- 2.Qd6#
- 1...Qxf4
- 2.Sxf4#
- 1...Rxc6
- 2.Qe5#
- 1...Ra6
- 2.Qd6#
- 1...Qh6!
- threat
- 1.Rc2?
- threat
- 2.Sc3#
- 2.Qc6#
- 1...Qxd6
- 2.Sc3#
- 2.Qc4#
- 1...Qxe2
- 2.Qc6#
- 1...Bxe3
- 2.Qc6#
- 1...b1S
- 2.Qc6#
- 1...Qe5
- 2.Qc6#
- 1...Ra3
- 2.Qc5#
- 2.Qc6#
- 1...Rc5
- 2.Qxc5#
- 1...Ra6
- 2.Sc3#
- 2.Qc5#
- 1...Rxc2!
- threat
- 1.Rc4?
- threat
- 2.Rd4#
- 2.Qc6#
- 1...Qxd6
- 2.Rd4#
- 1...Bxe3
- 2.Qc6#
- 1...Qf4
- 2.Sxf4#
- 2.Qc6#
- 1...Qe5
- 2.Qc6#
- 1...Qh4
- 2.Qc6#
- 1...Ra4
- 2.Qc5#
- 2.Qc6#
- 1...Rc5
- 2.Rd4#
- 2.Qxc5#
- 1...Ra6
- 2.Rd4#
- 2.Qc5#
- 1...Rxc4!
- threat
- 1.Qxa5+?
- 1...Rc5
- 2.Qxc5#
- 1...Kxc6!
- 1...Rc5
- 1.Se5?
- Keys
- 1.Rc3!
- threat
- 2.Qc6#
- 1...Qxd6
- 2.Qc4#
- 1...Rxc3
- 2.Sxc3#
- 1...Rc5
- 2.Qxc5#
- 1...Ra6
- 2.Qc5#
- threat
- 1.Rc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(e);N_GUARD::S(A),XQ(e)
- Q(e);N_GUARD::S(A)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- P(h);N_GUARD::S(I)
- P(i);N_GUARD::S(I)
- Tries
- Try
- S(I);
- Threat
- QAB(H)
- Vars
- R(a);OGATE,XR(F)::QAB1(H),XR(a)
- Q(e);N_GUARD::S(A)
- Refutation
- Q(e);XS(I)
- Try
- S(I);
- Threat
- QAB(H)
- Vars
- Q(e);OGATE,XB(G)::QAR1(H),XQ(e)
- R(a);OGATE,XR(F)::QAB1(H),XR(a)
- Q(e);N_GUARD::S(A)
- Refutation
- Q(e);
- Try
- B(G);XQ(e)
- Threat
- DUALS(3)
- Refutation
- B(b);XB(G)
- Try
- B(G);
- Threat
- DUALS(3)
- Vars
- Q(e);::S(A)
- Refutation
- Q(e);XB(G)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(e);XB(G)::S(A),XQ(e)
- R(a);SBLOCK,XR(F)::QAR1(H)
- R(f);::QAR1(H)
- Refutation
- Q(e);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(e);XS(A)::QAB1(H)
- B(b);XP(C)::QAB1(H)
- P(d);::QAB1(H)
- Q(e);::QAB1(H)
- R(f);N_GUARD::QAR1(H),XR(f)
- Refutation
- R(a);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(e);XB(G)::R1(F)
- B(b);XP(C)::QAB1(H)
- Q(e);::QAB1(H)
- Refutation
- R(a);XR(F)
- Try
- Q(H);CHECK,XR(f)
- Vars
- R(a);N_GUARD,P_SPINR(a)::QAR1(H),XR(a)
- Refutation
- K(g);S_FLIGHT,XR(F)
- Try
- Actual
- R(F);
- Threat
- QAB1(H)
- Vars
- Q(e);SBLOCK,XB(G)::QAB1(H)
- R(a);XR(F)::S(A),XR(a)
- R(f);N_GUARD::QAR1(H),XR(f)
- R(f);N_GUARD::QAR1(H)
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).