MESON Chess Problem Database
Problem Display
PID: 30445 (1r1B4/2n2p2/4R1q1/N1k2P2/K2R1bQr/P4N2/B7/8 w - - 0 1)
Gulyaev, Aleksandr Pavlovich (aka Grin, AP)
2nd Place, Sahovski Vestnik, 1947
#2
10 + 7
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Qxf5
- 2.Rc6#
- 1...Qh5
- 2.Rc6#
- 1...Qh7
- 2.Rc6#
- 1...Qxg4
- 2.Rc6#
- 1...Qg5
- 2.Rc6#
- 1...Qg7
- 2.Rc6#
- 1...Qg8
- 2.Rc6#
- 1...Rb3
- 2.Sxb3#
- 1...Rb4+
- 2.axb4#
- 1...Rb7
- 2.Sxb7#
- 1...Rc8
- 2.Sb3#
- 2.Sb7#
- 1...Rxd8
- 2.Sb3#
- 2.Sb7#
- 1...Bc1
- 2.Be7#
- 1...Bd2
- 2.Be7#
- 1...Be3
- 2.Be7#
- 1...Bh6
- 2.Be7#
- 1...Sb5
- 2.Sb3#
- 2.Rd5#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 1...Sa6
- 2.Rd5#
- 1...Sxe6
- 2.Rd5#
- 1...Sa8
- 2.Rd5#
- 1...Se8
- 2.Rd5#
- 1...f6
- 2.Rc6#
- 1...Qxf5
- Tries
- 1.Qxf4?
- threat
- 2.Be7#
- 2.Qc1#
- 2.Qd6#
- 2.Qxc7#
- 1...Rb4+
- 2.axb4#
- 1...Qxf5
- 2.Be7#
- 2.Rc6#
- 2.Qd6#
- 2.Qxc7#
- 1...Rxf4
- 2.Be7#
- 1...Rxd8
- 2.Sb3#
- 2.Sb7#
- 2.Qc1#
- 2.Qxc7#
- 1...Sxe6
- 2.Rd5#
- 2.Qc1#
- 2.Qe5#
- 2.Qd6#
- 1...fxe6
- 2.Qd6#
- 2.Qxc7#
- 1...Qg1
- 2.Be7#
- 2.Rc6#
- 2.Qd6#
- 2.Qxc7#
- 1...Qg2
- 2.Be7#
- 2.Rc6#
- 2.Qd6#
- 2.Qxc7#
- 1...Qg3
- 2.Be7#
- 2.Rc6#
- 2.Qc1#
- 1...Qg5
- 2.Rc6#
- 2.Qd6#
- 2.Qxc7#
- 1...Qf6
- 2.Qc1#
- 2.Qd6#
- 2.Qxc7#
- 1...Qh6
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rh1
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rh2
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rb1
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rb2
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rb3
- 2.Sxb3#
- 2.Be7#
- 2.Qd6#
- 2.Qxc7#
- 1...Rb6
- 2.Qc1#
- 1...Rb7
- 2.Sxb7#
- 2.Be7#
- 2.Qc1#
- 2.Qd6#
- 1...Rc8
- 2.Sb3#
- 2.Sb7#
- 2.Be7#
- 2.Qc1#
- 2.Qd6#
- 1...Sb5
- 2.Sb3#
- 2.Rd5#
- 2.Re5#
- 2.Qe5#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 2.Qd6#
- 1...Sa6
- 2.Be7#
- 2.Rd5#
- 2.Re5#
- 2.Qc1#
- 2.Qe5#
- 2.Qd6#
- 1...Sa8
- 2.Be7#
- 2.Rd5#
- 2.Re5#
- 2.Qc1#
- 2.Qe5#
- 2.Qd6#
- 1...Se8
- 2.Rd5#
- 2.Re5#
- 2.Qc1#
- 2.Qe5#
- 1...Qxe6!
- threat
- 1.Qxf4?
- Keys
- 1.Qg1!
- threat
- 2.Rd5#
- 1...Rb4+
- 2.axb4#
- 1...Qxg1
- 2.Rc6#
- 1...Bd6
- 2.Rg4#
- 1...Rb3
- 2.Sxb3#
- 1...Bc1
- 2.Be7#
- 2.Qxc1#
- 1...Bd2
- 2.Be7#
- 1...Bh2
- 2.Qc1#
- 1...Be3
- 2.Be7#
- 1...Bg3
- 2.Qc1#
- 1...Be5
- 2.Qc1#
- 1...Bg5
- 2.Rf4#
- 1...Bh6
- 2.Be7#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 14
- Sets
- Q(d);N_GUARD,XP(H)::R1(I)
- Q(d);N_GUARD::R1(I)
- Q(d);N_GUARD,XQ(F)::R1(I)
- R(g);N_GUARD::S(G),XR(g)
- R(g);CHECK,OGATE::P(B),XR(g)
- B(a);N_GUARD::B(J)
- S(e);N_GUARD::R1(E)
- S(e);N_GUARD,XR(I)::R1(E)
- P(f);S_CUTQ(d)::R1(I)
- Tries
- Try
- Q(F);XB(a)
- Threat
- DUALS(4)
- Vars
- R(g);CHECK,OGATE::P(B),XR(g)
- R(b);P_PINR(E),XQ(F)::B(J)
- R(g);::QAR(F)
- Refutation
- Q(d);XR(I)
- Try
- Actual
- Q(F);
- Threat
- QAB(F)+R(E),DCHECK
- Vars
- R(g);CHECK,OGATE::P(B),XR(g)
- Q(d);N_GUARD,XQ(F)::R1(I)
- B(a);OGATE,P_PINR(E)::QAB(F)+R(E)
- R(g);N_GUARD::S(G),XR(g)
- B(a);N_GUARD,P_PINR(E)::B(J)
- B(a);N_GUARD,P_PINR(E)::QAR(F)
- B(a);P_PINR(E),S_CUTQ(d)::QAB(F)+R(E)
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).