MESON Chess Problem Database
Problem Display
PID: 63905 (5B1K/Np1PP3/1P1pkn1Q/8/B2P2P1/3P4/1R6/8 w - - 0 1)
Bourd, Evgeny
4th HM., StrateGems, 2005
#2
12 + 4
| 145 | StrateGems | 2007 |
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kf7
- Tries
- 1.Kg7?
- 1...d5
- 2.Qxf6#
- 2.e8Q#
- 2.e8R#
- 1...Kd5!
- 1...d5
- 1.Sc8?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.d8S#
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Bb3+?
- 1...d5
- 2.e8Q#
- 1...Kxd7!
- 1...d5
- 1.Bb5?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Bc6?
- threat
- 2.d8S#
- 2.e8Q#
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...bxc6!
- threat
- 1.Bg7?
- 1...Kxe7
- 2.Qxf6#
- 1...Kf7
- 2.Qxf6#
- 1...d5
- 2.Qxf6#
- 1...Kd5!
- 1...Kxe7
- 1.Rb1?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Ra2?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rc2?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rd2?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Re2+?
- 1...Kf7
- 2.Qg7#
- 2.d8S#
- 1...Kd5!
- 1...Kf7
- 1.Rf2?
- 1...Kf7
- 2.Rxf6#
- 2.Qxf6#
- 2.d8S#
- 2.e8Q#
- 1...d5
- 2.Rxf6#
- 2.Qxf6#
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rg2?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rh2?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rb3?
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5!
- 1...Kf7
- 1.Rb5?
- threat
- 2.e8Q#
- 1...Kxd7
- 2.Re5#
- 1...Kf7!
- threat
- 1.Qf4?
- 1...Kd5
- 2.Bb3#
- 1...Kf7
- 2.e8Q#
- 1...Sxd7
- 2.Qf5#
- 1...Se4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 2.d8S#
- 1...Sh5
- 2.Qf5#
- 1...Sh7
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Sg8
- 2.Qf5#
- 1...d5
- 2.d8S#
- 1...Sxg4!
- 1...Kd5
- 1.Qg5?
- threat
- 2.d8S#
- 1...Kf7
- 2.d8S#
- 1...Sxd7
- 2.Qf5#
- 2.e8Q#
- 1...d5!
- threat
- 1.Qxf6+?
- 1...Kd5
- 2.Bb3#
- 2.Rb5#
- 1...Kxf6!
- 1...Kd5
- 1.Qg6?
- 1...d5
- 2.e8Q#
- 2.e8R#
- 1...Kd5!
- 1...d5
- 1.e8S?
- 1...Kf7
- 2.Qxf6#
- 2.d8S#
- 1...d5
- 2.Qxf6#
- 2.d8S#
- 1...Kd5!
- 1...Kf7
- 1.e8B?
- 1...d5
- 2.Re2#
- 2.d8S#
- 1...Kd5!
- 1...d5
- 1.e8R+?
- 1...Kf7
- 2.Re7#
- 2.Qg7#
- 2.d8S#
- 1...Kd5!
- 1...Kf7
- 1.Kg7?
- Keys
- 1.Rb4!
- 1...Kd5
- 2.Bb3#
- 1...Kf7
- 2.d8S#
- 1...d5
- 2.e8Q#
- 1...Kd5
- 1.Rb4!
This is a version
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Tries
- Try
- K(L);S_FLIGHT
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- S(H);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- B(C);CHECK
- Vars
- P(a);P_SPINP(a)::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT,XP(I)
- Try
- B(C);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);::P=Q
- Refutation
- P(d);XB(C)
- Try
- B(K);
- Vars
- K(b);N_SPINS(c),P-FLIGHT,XP(J)::QAB1(G),XS(c)
- K(b);N_SPINS(c),S_FLIGHT::QAR1(G),XS(c)
- P(a);SBLOCK::QAR1(G),XS(c)
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);CHECK
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- R(A);
- Threat
- P=Q
- Vars
- K(b);N_SPINS(c),S_FLIGHT,XP(I)::B(C)+R(A)
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- Q(G);N_PINS(c)
- Vars
- K(b);S_FLIGHT::B(C)
- K(b);P_SPINS(c),S_FLIGHT::P=Q
- S(c);XP(I)::QAB1(G)
- S(c);::QAB1(G)
- P(a);SBLOCK::P=S
- Refutation
- S(c);XP(E)
- Try
- Q(G);N_PINS(c)
- Threat
- P=S
- Vars
- K(b);S_FLIGHT::P=S
- Refutation
- P(a);
- Try
- Q(G);CHECK,XS(c)
- Refutation
- K(b);P-FLIGHT,XQ(G)
- Try
- Q(G);
- Vars
- P(a);SBLOCK::P=Q
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- P(J);
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- P(J);
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- P(J);CHECK
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- Actual
- R(A);
- Vars
- K(b);N_SPINS(c),S_FLIGHT::B(C)
- K(b);N_SPINS(c),S_FLIGHT::P=S
- P(a);SBLOCK::P=Q
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).