MESON Chess Problem Database
Problem Display
PID: 52091 (1B6/3RK3/4p3/1pnp4/1P1k4/P4Q2/1ppPn1B1/brrbN3 w - - 0 1)
Kopaev, Viacheslav Georgievich
Springaren, 1998
#2
9 + 12
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...Sxd7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Sg1
- Tries
- 1.Kf7?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Ke8?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Bh1?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Bh2?
- 1...Sxd7
- 2.Qd3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Bg3?
- 1...Sxg3
- 2.Qc3#
- 1...Sxd7
- 2.Qd3#
- 1...Sf4
- 2.Qc3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxg3
- 1.Bf4?
- 1...Sxf4
- 2.Qc3#
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxf4
- 1.Be5+?
- 1...Kxe5
- 2.Qf6#
- 1...Kc4!
- 1...Kxe5
- 1.Bd6?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Ba7?
- threat
- 2.Qe4#
- 1...Ke5
- 2.Qf6#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Kc4!
- threat
- 1.Bc7?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxd7
- 1.Rxd5+?
- 1...exd5
- 2.Qxd5#
- 1...Kc4!
- 1...exd5
- 1.Rd6?
- 1...Ke5
- 2.Rxd5#
- 2.Qf6#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 1...Sd3
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sa6
- 2.Qe4#
- 1...Sb7
- 2.Qe4#
- 1...Sd7
- 2.Qe4#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Ke5
- 1.Ra7?
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sg1
- 1.Rb7?
- 1...Sxb7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sxb7
- 1.Rc7?
- 1...Kc4
- 2.Qd3#
- 1...Ke5
- 2.Qf6#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe3#
- 1...Sd3
- 2.Qe3#
- 1...Sa4
- 2.Qe3#
- 1...Sa6
- 2.Qe3#
- 1...Sb7
- 2.Qe3#
- 1...Sd7
- 2.Qe3#
- 1...e5
- 2.Qxd5#
- 1...Se4!
- 1...Kc4
- 1.Rd8?
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sb3
- 2.Qe4#
- 2.Qd3#
- 1...Sd3
- 2.Qe4#
- 2.Qxd3#
- 1...Sa4
- 2.Qe4#
- 2.Qd3#
- 1...Se4
- 2.Qxe4#
- 2.Qd3#
- 1...Sa6
- 2.Qe4#
- 2.Qd3#
- 1...Sb7
- 2.Qe4#
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4!
- 1...Sg1
- 1.Qxe2?
- threat
- 2.Sf3#
- 2.Be5#
- 1...Sxd7
- 2.Sf3#
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 2.Qe4#
- 1...Se4
- 2.Sf3#
- 2.Qd3#
- 2.Qxe4#
- 1...e5
- 2.Sf3#
- 2.Bxe5#
- 2.Rxd5#
- 1...Bxe2!
- threat
- 1.Qg4+?
- 1...Se4
- 2.Qxe4#
- 1...Sf4!
- 1...Se4
- 1.Qb3?
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sg3
- 2.Qc3#
- 1...Sf4
- 2.Qc3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Se4
- 2.Sf3#
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...e5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sxb3!
- 1...Sxd7
- 1.Qf4+?
- 1...Se4
- 2.Qxe4#
- 1...Sxf4!
- 1...Se4
- 1.Kf7?
- Keys
- 1.Bf1!
- 1...Kc4
- 2.Qc3#
- 1...Sxd7
- 2.Qd3#
- 1...Sg1
- 2.Qe3#
- 1...Sc3
- 2.Qe3#
- 2.dxc3#
- 1...Sg3
- 2.Qe3#
- 1...Sf4
- 2.Qe3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Qd3#
- 1...Se4
- 2.Qd3#
- 1...Sa6
- 2.Qd3#
- 1...Sb7
- 2.Qd3#
- 1...e5
- 2.Qxd5#
- 1...Kc4
- 1.Bf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- P(l);N_GUARD::QAR1(E),XP(k)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- K(H);P-FLIGHT
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(C);
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(I);
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(I);
- Vars
- S(g);N_GUARD,XB(I)::QAB1(E)
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(I);
- Vars
- S(g);N_GUARD,XB(I)::QAB1(E)
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(I);CHECK
- Vars
- K(h);N_SPINP(k),S_FLIGHT,XB(I)::QAB1(E)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- B(I);N_PINP(k)
- Vars
- S(j);N_GUARD,XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD::QAR1(E)
- S(j);N_GUARD::QAR1(E),XS(j)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);P-FLIGHT
- Try
- B(I);P_PINS(j)
- Threat
- QAR1(E)
- Vars
- K(h);N_SPINP(k),N_SPINS(j),S_FLIGHT::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(g);N_GUARD::QAB1(E)
- Refutation
- K(h);N_SPINP(k),N_SPINS(j),P-FLIGHT
- Try
- B(I);
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- R(G);CHECK,XP(k)
- Vars
- P(l);OGATE,XR(G)::QAR1(E),XP(l)
- Refutation
- K(h);P-FLIGHT
- Try
- R(G);
- Vars
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD::QAR1(E)
- S(j);N_GUARD::QAR1(E),XS(j)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- R(G);N_PINP(k)
- Vars
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD::QAR1(E)
- S(j);N_GUARD::QAR1(E),XS(j)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);P-FLIGHT
- Try
- R(G);N_PINP(k)
- Vars
- S(j);N_GUARD,XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD::QAR1(E)
- S(j);N_GUARD::QAR1(E),XS(j)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);P-FLIGHT
- Try
- R(G);N_PINP(k)
- Vars
- K(h);P-FLIGHT,P_SPINS(j)::QAB1(E)
- K(h);S_FLIGHT::QAB1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);::QAB1(E)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- S(j);
- Try
- R(G);
- Vars
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD,N_SPINP(k)::QAR1(E)
- P(l);N_GUARD::QAR1(E),XP(k)
- Refutation
- K(h);N_SPINP(k),P-FLIGHT
- Try
- Q(E);XS(g)
- Threat
- DUALS(2)
- Refutation
- B(d);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(j);N_GUARD,P_SPINS(j)::QAR1(E),XS(j)
- Refutation
- S(g);P_SPINS(g)
- Try
- Q(E);
- Vars
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(j);N_GUARD::QAR1(E),XS(j)
- S(j);N_GUARD::QAR1(E)
- Refutation
- S(j);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(j);N_GUARD,P_SPINS(j)::QAR1(E),XS(j)
- Refutation
- S(g);XQ(E)
- Try
- Actual
- B(C);
- Vars
- K(h);N_SPINP(k),P-FLIGHT,P_SPINS(g)::QAR1(E)
- S(j);N_GUARD,N_SPINP(k),XR(G)::QAR1(E)
- S(g);::QAB1(E)
- S(j);N_GUARD::QAR1(E)
- S(j);N_GUARD::QAR1(E),XS(j)
- P(l);N_GUARD::QAR1(E),XP(k)
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).