MESON Chess Problem Database
Problem Display
PID: 99451 (1K6/1pp1p2N/4P2p/B4p1B/R1q1nk2/3P1N2/b4P2/4R3 w - - 0 1)
Zappas, Byron
Budapesti Sakkszovetseg, 1986
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb3
- 2.Bd2#
- 2.Bxc7#
- 1...Qb5
- 2.Bd2#
- 1...Qd5
- 2.Bd2#
- 1...Qa6
- 2.Bd2#
- 1...Qxe6
- 2.Bd2#
- 1...Qc6
- 2.Bd2#
- 1...Sd2
- 2.Bxd2#
- 2.Bxc7#
- 1...Sxf2
- 2.Bxc7#
- 1...Sc3
- 2.Bxc7#
- 1...Sg3
- 2.Bd2#
- 2.Bxc7#
- 1...Sc5
- 2.Bd2#
- 2.Bxc7#
- 1...Sg5
- 2.Bd2#
- 2.Bxc7#
- 1...Sd6
- 2.Bd2#
- 1...Sf6
- 2.Bd2#
- 2.Bxc7#
- 1...Qb3
- Tries
- 1.Shg5?
- threat
- 2.Sh3#
- 1...Sxf2
- 2.Bxc7#
- 1...Sxg5
- 2.Bd2#
- 2.Bxc7#
- 1...hxg5!
- threat
- 1.Rh1?
- threat
- 2.Rh4#
- 1...Sf6
- 2.Bd2#
- 2.Bxc7#
- 1...Sxf2!
- threat
- 1.Rxe4+?
- 1...Qxe4
- 2.Bd2#
- 2.Bxc7#
- 1...fxe4!
- 1...Qxe4
- 1.Rxc4?
- threat
- 2.Bd2#
- 2.Bxc7#
- 1...b6
- 2.Bd2#
- 1...c5
- 2.Bd2#
- 2.Bc7#
- 1...c6
- 2.Bd2#
- 2.Bc7#
- 1...Bxc4!
- threat
- 1.Shg5?
- Keys
- 1.Sf8!
- threat
- 2.Sg6#
- 1...Qxe6
- 2.Bd2#
- 1...Sxf2
- 2.Bxc7#
- threat
- 1.Sf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(b);P_SPINS(c)::B(F)
- Q(b);P_SPINS(c),XP(H)::B(F)
- S(c);N_GUARD,P_SPINQ(b),XP(B)::B(F),XP(h)
- S(c);N_GUARD,P_SPINQ(b)::B(F),XP(h)
- S(c);N_GUARD,P_SPINQ(b)::B(F)
- Tries
- Try
- S(I);
- Threat
- S(I)
- Vars
- S(c);N_GUARD,P_SPINQ(b),XP(B)::B(F),XP(h)
- Refutation
- P(f);XS(I)
- Try
- R(A);
- Threat
- R(A)
- Refutation
- S(c);P_SPINQ(b),XP(B)
- Try
- R(A);CHECK,XS(c)
- Refutation
- P(e);XR(A)
- Try
- R(E);P_PINS(c),XQ(b)
- Threat
- DUALS(2)
- Vars
- P(g);::B(F)
- Refutation
- B(a);N_SPINS(c),XR(E)
- Try
- Actual
- S(I);
- Threat
- S(I)
- Vars
- Q(b);P_SPINS(c),XP(H)::B(F)
- S(c);N_GUARD,P_SPINQ(b),XP(B)::B(F),XP(h)
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).