MESON Chess Problem Database
Problem Display
PID: 231869 (n1R1R3/B2p1Qpr/1b4p1/3P4/2pk3p/r2N4/p2P2P1/1b1N1BK1 w - - 0 1)
Bourd, Evgeny
Grinblat, Arieh
1st Place, Kudesnik, 2009
#2
11 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.dxc3#
- 1...Bc5
- 2.Bxc5#
- 1...Sc7
- 2.Bxb6#
- 1...Rc3
- Tries
- 1.Sc3?
- threat
- 2.Sb5#
- 2.Re4#
- 2.Qf2#
- 2.Qf4#
- 1...Bxd3
- 2.Sb5#
- 2.Qf2#
- 1...Rb3
- 2.Re4#
- 2.Qf2#
- 2.Qf4#
- 1...Ra5
- 2.Re4#
- 2.Qf2#
- 2.Qf4#
- 1...Sc7
- 2.Bxb6#
- 2.Re4#
- 2.Qf2#
- 2.Qf4#
- 1...g5
- 2.Sb5#
- 2.Re4#
- 2.Qf2#
- 1...Rxc3!
- threat
- 1.Se3?
- threat
- 2.Rxc4#
- 2.Qf4#
- 1...cxd3
- 2.Rc4#
- 2.Qf4#
- 1...Rc3
- 2.Qf4#
- 1...Ra4
- 2.Qf4#
- 1...Bc5
- 2.Bxc5#
- 2.Qf4#
- 1...Sc7
- 2.Bxb6#
- 2.Qf4#
- 1...c3
- 2.Rc4#
- 2.Qf4#
- 1...g5
- 2.Sf5#
- 2.Rxc4#
- 1...Bxd3!
- threat
- 1.Se1?
- threat
- 2.Rxc4#
- 1...Sc7
- 2.Bxb6#
- 1...Rc3
- 2.dxc3#
- 1...Ra4
- 2.Sf3#
- 1...Bd3
- 2.Sf3#
- 1...Bc5
- 2.Bxc5#
- 1...c3
- 2.Sf3#
- 2.Rc4#
- 1...Rd3!
- threat
- 1.Rc5?
- threat
- 2.Qf2#
- 2.Qf4#
- 1...Bxd3
- 2.Qf2#
- 1...Bxc5
- 2.Bxc5#
- 1...cxd3
- 2.Qf2#
- 1...Bc7
- 2.Qf2#
- 1...g5
- 2.Qf2#
- 1...Rxd3!
- threat
- 1.Re5?
- threat
- 2.Qf2#
- 2.Qf4#
- 1...Rxd3
- 2.Qf4#
- 1...cxd3
- 2.Qf4#
- 1...g5
- 2.Qf2#
- 1...Bxd3!
- threat
- 1.Qe6?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Bxd3
- 2.Qe5#
- 1...Rh5
- 2.Qe4#
- 1...d6
- 2.Qe4#
- 1...dxe6!
- threat
- 1.Qf5?
- threat
- 2.Re4#
- 2.Qe4#
- 2.Qe5#
- 1...Bxd3
- 2.Qe5#
- 1...Rh5
- 2.Re4#
- 2.Qe4#
- 1...d6
- 2.Re4#
- 2.Qe4#
- 1...gxf5!
- threat
- 1.Qe7?
- threat
- 2.Qe4#
- 2.Qe5#
- 1...Bxd3
- 2.Qe5#
- 1...Rh5
- 2.Qe4#
- 1...d6
- 2.Qe4#
- 1...Kxd5+!
- threat
- 1.Sc3?
- Keys
- 1.Sb4!
- threat
- 2.Rxc4#
- 1...Sc7
- 2.Bxb6#
- 1...Rc3
- 2.dxc3#
- 1...Rd3
- 2.Qf4#
- 1...Bd3
- 2.Qf2#
- 1...Bc5
- 2.Bxc5#
- 1...c3
- 2.Rc4#
- 2.Qf2#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);OGATE::P(D),XR(c)
- B(g);OGATE::B(H),XB(g)
- S(l);N_GUARD::B(H),XB(g)
- Tries
- Try
- S(A);
- Threat
- DUALS(4)
- Refutation
- R(c);XS(A)
- Try
- S(A);
- Threat
- DUALS(2)
- Vars
- R(c);::QAR2(I)
- Refutation
- B(a);XS(F)
- Try
- S(F);
- Threat
- R1(J),XP(d)
- Vars
- S(l);N_GUARD::B(H),XB(g)
- R(c);OGATE::P(D),XR(c)
- R(c);N_GUARD::S(F)
- B(a);S_CUTR(c)::S(F)
- B(g);OGATE::B(H),XB(g)
- Refutation
- R(c);
- Try
- R(J);N_PINB(g)
- Threat
- DUALS(2)
- Vars
- B(a);XS(F)::QAB(I)
- B(g);OGATE,P_SPINB(g),XR(J)::B(H),XB(g)
- P(d);XS(F)::QAB(I)
- B(g);::QAB(I)
- P(h);::QAB(I)
- Refutation
- R(c);XS(F)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- R(c);XS(F)::QAR2(I)
- P(d);XS(F)::QAR2(I)
- P(h);::QAB(I)
- Refutation
- B(a);XS(F)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);XS(F)::QAB1(I)
- R(k);::QAR1(I)
- P(i);::QAR1(I)
- Refutation
- P(i);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(a);XS(F)::QAB1(I)
- Refutation
- P(h);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- B(a);XS(F)::QAB1(I)
- R(k);::QAR1(I)
- P(i);::QAR1(I)
- Refutation
- K(e);CHECK,N_SPINB(g),P-FLIGHT,XP(G)
- Try
- Actual
- S(F);
- Threat
- R1(J),XP(d)
- Vars
- S(l);N_GUARD::B(H),XB(g)
- R(c);OGATE::P(D),XR(c)
- R(c);S_CUTB(a)::QAR2(I)
- B(a);S_CUTR(c)::QAB(I)
- B(g);OGATE::B(H),XB(g)
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).