MESON Chess Problem Database
Problem Display
PID: 180279 (8/1q2Q3/3p4/7n/RP1kb3/p1b1p3/BN1PP2K/B2R4 w - - 0 1)
Lider, Valentin Viktorovich
Schach, 1964
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bxb4
- 2.Sd3#
- 1...Bb1
- 2.Qxe3#
- 2.dxe3#
- 1...Bh1
- 2.Qxe3#
- 2.dxe3#
- 1...Bc2
- 2.Qxe3#
- 2.dxe3#
- 1...Bg2
- 2.Qxe3#
- 2.dxe3#
- 1...Bd3
- 2.Qxe3#
- 2.dxe3#
- 1...Bf3
- 2.Qxe3#
- 2.dxe3#
- 1...Bd5
- 2.Qxe3#
- 2.dxe3#
- 1...Bf5
- 2.Qxe3#
- 2.dxe3#
- 1...Bc6
- 2.Qxe3#
- 2.dxe3#
- 1...Bg6
- 2.Qxe3#
- 2.dxe3#
- 1...Bh7
- 2.Qxe3#
- 2.dxe3#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Qf6#
- 1...Bxb4
- Tries
- 1.b5+?
- 1...Bb4
- 2.Sd3#
- 1...Kc5!
- 1...Bb4
- 1.b5+?
- Keys
- 1.Qg5!
- threat
- 2.dxe3#
- 1...Bxb2
- 2.b5#
- 1...Bxd2
- 2.Sc4#
- 1...Bxb4
- 2.Sd3#
- 1...exd2
- 2.e3#
- 1...Bb1
- 2.Qxe3#
- 1...Bh1
- 2.Qxe3#
- 1...Bc2
- 2.Qxe3#
- 1...Bg2
- 2.Qxe3#
- 1...Bd3
- 2.Qxe3#
- 1...Bf3
- 2.Qxe3#
- 1...Bd5
- 2.Qxe3#
- 1...Bf5
- 2.Qxe3#
- 1...Bc6
- 2.Qxe3#
- 1...Bg6
- 2.Qxe3#
- 1...Bh7
- 2.Qxe3#
- 1...Sf4
- 2.Qf6#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 3
- Sets
- B(b);P_SPINB(b),XP(I)::B(A)+S(D)
- S(f);N_GUARD::QAB(J)
- S(f);N_GUARD::QAB(J),XS(f)
- Tries
- Try
- P(I);CHECK
- Vars
- B(b);P_SPINB(b)::B(A)+S(D)
- Refutation
- K(d);P_SPINP(g),S_FLIGHT
- Try
- Actual
- Q(J);
- Threat
- R(B)+P(E)DCHECK,XP(c)
- Vars
- B(b);N_GUARD,P_SPINB(b),XS(D)::R(H)+P(I)
- B(b);P_SPINB(b),XP(E)::B(A)+S(D)
- B(b);P_SPINB(b),XP(I)::B(A)+S(D)
- P(c);OGATE,P_SPINP(c),XP(E)::P(F)
- B(e);::QAB1(J),XP(c)
- S(f);N_GUARD::QAB(J)
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).