MESON Chess Problem Database
Problem Display
PID: 161854 (2N1q3/3rp3/BpQ2b1r/1np5/KNkB4/2p4p/6p1/1R3b2 w - - 0 1)
Aksenov, Vitaly I
Vecherni Doneck, 2000
#2
7 + 13
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rxd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra7
- 2.Qd5#
- 1...Rb7
- 2.Qd5#
- 1...Rc7
- 2.Qd5#
- 1...Bxd4
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Rxd4
- Tries
- 1.Sd6+?
- 1...Kxd4
- 2.Qe4#
- 1...exd6
- 2.Qd5#
- 1...Rxd6!
- 1...Kxd4
- 1.Bg1?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...Qd8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd1
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd2
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd3
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qd5#
- 2.Qe6#
- 1...Rb7
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...c2!
- threat
- 1.Bf2?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...Qd8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd1
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd2
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd3
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qd5#
- 2.Qe6#
- 1...Rb7
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...c2!
- threat
- 1.Be3?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...Qd8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd1
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd2
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd3
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qd5#
- 2.Qe6#
- 1...Rb7
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...c2!
- threat
- 1.Bxc5?
- threat
- 2.Sxb6#
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...c2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 1...g1Q
- 2.Sxb6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb5#
- 2.Qxb5#
- 1...g1S
- 2.Sxb6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...g1B
- 2.Sxb6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb5#
- 2.Qxb5#
- 1...g1R
- 2.Sxb6#
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qh5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qd8
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Rh5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd1
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd2
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd3
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qd5#
- 1...Rb7
- 2.Bxb5#
- 2.Qd5#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...Bd4
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Bh4
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Be5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Bg5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Bg7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Bh8
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...bxc5!
- threat
- 1.Be5?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...Qd8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd1
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd2
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd3
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Rb7
- 2.Bxb5#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qe4#
- 2.Qd5#
- 2.Qe6#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...Bxe5!
- threat
- 1.Rd1?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxb5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rxd4
- 2.Sxb6#
- 2.Bxb5#
- 1...Qd8
- 2.Bxb5#
- 2.Qxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Bxb5#
- 2.Qxd5#
- 1...Rd6
- 2.Sxb6#
- 2.Bxb5#
- 1...Ra7
- 2.Sxb6#
- 2.Qd5#
- 2.Qe6#
- 1...Rb7
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rc7
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 2.Qe6#
- 1...Rd8
- 2.Sxb6#
- 2.Bxb5#
- 1...Bd3!
- threat
- 1.Qe4?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 1...Qxc8
- 2.Bxb5#
- 1...Rxd4
- 2.Sxb6#
- 1...Bxd4
- 2.Bxb5#
- 1...cxd4
- 2.Qc6#
- 1...Qd8
- 2.Bxb5#
- 1...Rd5
- 2.Sxb6#
- 2.Qxd5#
- 1...Ra7
- 2.Sxb6#
- 2.Be5#
- 2.Bxf6#
- 2.Qd5#
- 1...Rb7
- 2.Be5#
- 2.Bxf6#
- 2.Qd5#
- 1...Rc7
- 2.Sxb6#
- 2.Be5#
- 2.Bxf6#
- 2.Qd5#
- 1...Rd8
- 2.Sxb6#
- 1...Bh4
- 2.Bxb5#
- 1...Be5
- 2.Bxb5#
- 1...Bg5
- 2.Bxb5#
- 1...Bg7
- 2.Bxb5#
- 1...Bh8
- 2.Bxb5#
- 1...Rd6!
- threat
- 1.Qxd7?
- threat
- 2.Sxb6#
- 2.Bxb5#
- 2.Qd5#
- 1...Qxc8
- 2.Bxb5#
- 2.Qd5#
- 1...Bxd4
- 2.Bxb5#
- 2.Qd5#
- 1...cxb4
- 2.Bxb5#
- 1...cxd4
- 2.Qd5#
- 1...Qh5
- 2.Sxb6#
- 2.Bxb5#
- 1...Qf7
- 2.Sxb6#
- 2.Bxb5#
- 1...Qd8
- 2.Bxb5#
- 1...Qg8
- 2.Sxb6#
- 2.Bxb5#
- 1...Rh5
- 2.Sxb6#
- 2.Bxb5#
- 1...Bh4
- 2.Bxb5#
- 2.Qd5#
- 1...Be5
- 2.Bxb5#
- 2.Qd5#
- 1...Bg5
- 2.Bxb5#
- 2.Qd5#
- 1...Bg7
- 2.Bxb5#
- 2.Qd5#
- 1...Bh8
- 2.Bxb5#
- 2.Qd5#
- 1...e6
- 2.Sxb6#
- 2.Bxb5#
- 1...Qxd7!
- threat
- 1.Qe6+?
- 1...Rd5
- 2.Qxd5#
- 1...Kxd4!
- 1...Rd5
- 1.Sd6+?
- Keys
- 1.Qf3!
- threat
- 2.Qxc3#
- 1...Kxd4
- 2.Qf4#
- 1...Rxd4
- 2.Sxb6#
- 1...Bxd4
- 2.Bxb5#
- 1...cxb4
- 2.Rxb4#
- 1...cxd4
- 2.Qc6#
- 1...Bd3
- 2.Qxd3#
- 1...c2
- 2.Qc3#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- R(k);N_GUARD::QAB1(F),XR(k)
- R(k);N_GUARD,P_PINB(E)::QAB1(F)
- R(k);N_GUARD::QAB1(F)
- Tries
- Try
- S(G);CHECK
- Vars
- K(e);N_SPINP(g),N_SPINS(f),P-FLIGHT,XB(D)::QAR1(F)
- P(l);XS(G)::QAB1(F)
- Refutation
- R(k);XS(G)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- P(c);
- Try
- B(D);XP(g)
- Threat
- DUALS(7)
- Refutation
- P(h);P_SPINP(h),XB(D)
- Try
- B(D);
- Threat
- DUALS(3)
- Refutation
- B(i);XB(D)
- Try
- R(A);
- Threat
- DUALS(3)
- Refutation
- B(a);
- Try
- Q(F);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- Q(m);XS(G)::B(E),XS(f)
- R(k);P_SPINR(k),XB(D)::S(G),XP(h)
- B(i);P_SPINB(i),XB(D)::B(E),XS(f)
- P(g);OGATEB,P_SPINP(g),SBLOCK,XB(D)::QAR2(F)
- Q(m);::B(E),XS(f)
- R(k);::S(G),XP(h)
- B(i);::B(E),XS(f)
- Refutation
- R(k);
- Try
- Q(F);N_PINP(g),XR(k)
- Threat
- DUALS(3)
- Vars
- P(g);XS(C)::B(E),XS(f)
- P(g);XB(D)::QAB1(F)
- Q(m);::B(E),XS(f)
- Refutation
- Q(m);XQ(F)
- Try
- Q(F);CHECK,N_PINP(g)
- Vars
- R(k);N_GUARD,P_SPINR(k)::QAB1(F),XR(k)
- Refutation
- K(e);N_SPINS(f),P-FLIGHT,XB(D)
- Try
- Actual
- Q(F);N_PINP(g)
- Threat
- QAR1(F),XP(c)
- Vars
- K(e);N_SPINS(f),OGATEB,P-FLIGHT,XB(D)::QAR2(F)
- R(k);SBLOCK,XB(D)::S(G),XP(h)
- B(i);SBLOCK,XB(D)::B(E),XS(f)
- P(g);OGATE,XS(C)::R1(A),XP(g)
- P(g);OGATEB,SBLOCK,XB(D)::QAR2(F)
- B(a);N_GUARD::QAB1(F),XB(a)
- P(c);::QAR1(F)
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).