MESON Chess Problem Database
Problem Display
PID: 233228 (3BB3/b7/1p3Rn1/2k5/3pPp2/Kb1p2q1/1P1N1N2/8 w - - 0 1)
Muller, Dieter
Freie Presse, 0000
#2
8 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Sxd3#
- 1...Qh4
- 2.Sxd3#
- 1...Qg1
- 2.Sxd3#
- 1...Qg2
- 2.Sxd3#
- 1...Qg4
- 2.Sxd3#
- 1...Qg5
- 2.Sxd3#
- 1...Bd1
- 2.b4#
- 1...Ba2
- 2.b4#
- 1...Bc2
- 2.b4#
- 1...Ba4
- 2.b4#
- 1...Bc4
- 2.b4#
- 1...Bd5
- 2.b4#
- 1...Bf7
- 2.b4#
- 1...Bg8
- 2.b4#
- 1...Bb8
- 2.Bxb6#
- 1...Sh4
- 2.Be7#
- 1...Se5
- 2.Be7#
- 1...Se7
- 2.Bxe7#
- 1...Sf8
- 2.Be7#
- 1...Sh8
- 2.Be7#
- 1...f3
- 2.Sxd3#
- 1...b5
- 2.Rc6#
- 1...Qh2
- Tries
- 1.Rf5+?
- 1...Bd5
- 2.Rxd5#
- 1...Se5
- 2.Be7#
- 1...Kd6!
- 1...Bd5
- 1.Rxg6?
- threat
- 2.Be7#
- 1...Qh4
- 2.Sxd3#
- 1...Qg5
- 2.Sxd3#
- 1...Bb8
- 2.Bxb6#
- 1...f3
- 2.Sxd3#
- 1...Qxg6!
- threat
- 1.Rf5+?
- Keys
- 1.Bc7!
- threat
- 2.Bd6#
- 1...Be6
- 2.b4#
- 1...Bb8
- 2.Bxb6#
- 1...f3
- 2.Sxd3#
- 1...b5
- 2.Rc6#
- threat
- 1.Bc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 19
- Sets
- Q(c);N_GUARD::S(C),XP(b)
- B(a);OGATE::P(A)
- B(i);N_GUARD::B(G),XP(g)
- S(h);N_GUARD::B(G)
- S(h);N_GUARD::B(G),XS(h)
- P(e);S_CUTQ(c)::S(C),XP(b)
- P(g);SBLOCK::R1(F)
- Tries
- Try
- R(F);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::R1(F),XB(a)
- S(h);P_SPINS(h)::B(G)
- Refutation
- K(f);S_FLIGHT
- Try
- R(F);XS(h)
- Threat
- B(G)
- Vars
- Q(c);N_GUARD::S(C),XP(b)
- B(i);N_GUARD::B(G),XP(g)
- P(e);S_CUTQ(c)::S(C),XP(b)
- Refutation
- Q(c);XR(F)
- Try
- Actual
- B(G);
- Threat
- B(G)
- Vars
- B(a);OGATE::P(A)
- B(i);N_GUARD::B(G),XP(g)
- P(e);S_CUTQ(c)::S(C),XP(b)
- P(g);SBLOCK::R1(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).