MESON Chess Problem Database
Problem Display
PID: 7345 (3B2K1/2p2Qpp/2B1N3/bNp1k3/2n3r1/3nP2b/q3R3/3r4 w - - 0 1)
Pachl, Franz
Schach mit Partner, 1999
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.exd4#
- 1...Rf4
- 2.exf4#
- 1...Sf4
- 2.exf4#
- 1...Sb6
- 2.Bxc7#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Rd4
- Tries
- 1.Sed4?
- threat
- 2.Sf3#
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qf5#
- 2.Qe7#
- 1...Qxe2
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qf5#
- 2.Qe7#
- 1...Rxd4
- 2.exd4#
- 1...Sxe3
- 2.Sf3#
- 1...cxd4
- 2.Qd5#
- 2.exd4#
- 1...Rf1
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qe7#
- 1...Rgg1
- 2.Sf3#
- 2.Qd5#
- 1...Rg2
- 2.Sf3#
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Re4
- 2.Sf3#
- 2.Qd5#
- 2.Qxg7#
- 1...Rf4
- 2.Qd5#
- 2.exf4#
- 1...Rh4
- 2.Sf3#
- 2.Qd5#
- 2.Qxg7#
- 1...Rg5
- 2.Sf3#
- 2.Qd5#
- 1...Rg6
- 2.Sf3#
- 2.Qd5#
- 1...Bg2
- 2.Qe6#
- 2.Qe8#
- 2.Qf5#
- 2.Qe7#
- 1...Se1
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qf5#
- 2.Qe7#
- 1...Sb4
- 2.Sf3#
- 2.Qe6#
- 2.Qe8#
- 2.Qf5#
- 2.Qe7#
- 1...Sf4
- 2.Sf3#
- 2.Qf5#
- 2.exf4#
- 1...Scb2
- 2.Sf3#
- 1...Sa3
- 2.Sf3#
- 1...Sb6
- 2.Sf3#
- 2.Bxc7#
- 1...Sd6
- 2.Sf3#
- 1...g6
- 2.Sf3#
- 2.Bf6#
- 2.Qd5#
- 2.Qe6#
- 2.Qe8#
- 2.Qf6#
- 2.Qe7#
- 2.Qg7#
- 1...Sd2!
- threat
- 1.Sxc5?
- threat
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Sxe3
- 2.Sd7#
- 1...Rgg1
- 2.Qd5#
- 1...Rg2
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rd4
- 2.exd4#
- 1...Re4
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 2.exf4#
- 1...Rh4
- 2.Qd5#
- 1...Rg5
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Bg2
- 2.Sd7#
- 2.Qe6#
- 1...Sc1
- 2.Qe6#
- 1...Se1
- 2.Qe6#
- 1...Sdb2
- 2.Qe6#
- 1...Sf2
- 2.Qe6#
- 1...Sb4
- 2.Qe6#
- 1...Sf4
- 2.exf4#
- 1...Scb2
- 2.Sd7#
- 1...Sd2
- 2.Sxd3#
- 2.Sd7#
- 1...Sa3
- 2.Sd7#
- 1...Sb6
- 2.Bxc7#
- 1...Sd6
- 2.Sd7#
- 1...Sxc5!
- threat
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Qd5#
- 2.Qe6#
- 1...Qxe2
- 2.Qd5#
- 2.Qe6#
- 1...Rxg5
- 2.Qd5#
- 1...Sxe3
- 2.Sf3#
- 1...Rf1
- 2.Qd5#
- 2.Qe6#
- 1...Rgg1
- 2.Sf3#
- 2.Qd5#
- 1...Rg2
- 2.Sf3#
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rd4
- 2.Sf3#
- 2.exd4#
- 1...Re4
- 2.Sf3#
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 2.exf4#
- 1...Rh4
- 2.Sf3#
- 2.Qd5#
- 1...Bg2
- 2.Qe6#
- 1...Sc1
- 2.Sf3#
- 2.Qe6#
- 1...Se1
- 2.Qe6#
- 1...Sdb2
- 2.Sf3#
- 2.Qe6#
- 1...Sf2
- 2.Sf3#
- 2.Qe6#
- 1...Sb4
- 2.Sf3#
- 2.Qe6#
- 1...Sf4
- 2.Sf3#
- 2.exf4#
- 1...Scb2
- 2.Sf3#
- 1...Sa3
- 2.Sf3#
- 1...Sb6
- 2.Sf3#
- 2.Bxc7#
- 1...Sd6
- 2.Sf3#
- 1...Sd2!
- threat
- 1.Bf6+?
- 1...Kf5
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bd4#
- 2.Bxg7#
- 1...gxf6+!
- 1...Kf5
- 1.Bxc7+?
- 1...Sd6
- 2.Bxd6#
- 1...Bxc7!
- 1...Sd6
- 1.Sed4?
- Keys
- 1.Sf8!
- threat
- 2.Sd7#
- 2.Qd5#
- 2.Qe6#
- 1...Sxe3
- 2.Sd7#
- 1...Sd2
- 2.Sd7#
- 1...Rgg1
- 2.Qd5#
- 1...Rg2
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rd4
- 2.exd4#
- 1...Re4
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 2.exf4#
- 1...Rh4
- 2.Qd5#
- 1...Rg5
- 2.Qd5#
- 1...Rg6
- 2.Qd5#
- 1...Bg2
- 2.Sd7#
- 2.Qe6#
- 1...Sc1
- 2.Qe6#
- 1...Se1
- 2.Qe6#
- 1...Sdb2
- 2.Qe6#
- 1...Sf2
- 2.Qe6#
- 1...Sb4
- 2.Qe6#
- 1...Sf4
- 2.exf4#
- 1...Scb2
- 2.Sd7#
- 1...Sa3
- 2.Sd7#
- 1...Sb6
- 2.Bxc7#
- 1...Sd6
- 2.Sd7#
- threat
- 1.Sf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 17
- REMOVED MATES = 3
- Sets
- R(f);OGATE::R(A)+P(B)DCHECK,XR(f)
- S(c);OGATE::R(A)+P(B)DCHECK,XS(c)
- S(e);N_GUARD,S_CUTB(g)::B(G),XP(j)
- P(k);N_GUARD::QAB1(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(6)
- Vars
- R(f);OGATE,XS(E)::R(A)+P(B)DCHECK,XR(f)
- S(e);P_PINQ(F),P_SPINS(e),XP(B)::S(E)
- R(f);::QAR1(F)
- S(e);P_PINQ(F)::S(E)
- Refutation
- S(e);P_PINQ(F)
- Try
- S(E);XP(h)
- Threat
- DUALS(3)
- Vars
- S(e);P_PINQ(F),P_SPINS(e),XP(B)::S(E)
- R(f);::QAR1(F)
- R(f);OGATE::R(A)+P(B)DCHECK,XR(f)
- S(c);::QAR1(F)
- S(c);OGATE::R(A)+P(B)DCHECK,XS(c)
- S(e);P_PINQ(F)::S(E)
- S(e);N_GUARD,P_PINQ(F),S_CUTB(g)::B(G),XP(j)
- Refutation
- S(c);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(f);XS(E)::QAR1(F)
- S(e);P_PINQ(F),P_SPINS(e),XP(B)::S(E)
- R(f);::QAR1(F)
- B(d);::QAR1(F)
- S(c);::QAR1(F)
- S(e);P_PINQ(F)::S(E)
- Refutation
- S(e);P_PINQ(F)
- Try
- B(G);CHECK
- Refutation
- P(k);CHECK,XB(G)
- Try
- B(G);CHECK,XP(j)
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(G),XS(e)
- Refutation
- B(g);XB(G)
- Try
- Actual
- S(E);
- Threat
- DUALS(3)
- Vars
- S(e);P_PINQ(F),P_SPINS(e),XP(B)::S(E)
- S(e);P_PINQ(F)::S(E)
- R(f);::QAR1(F)
- R(f);OGATE::R(A)+P(B)DCHECK,XR(f)
- S(c);::QAR1(F)
- S(c);OGATE::R(A)+P(B)DCHECK,XS(c)
- S(e);N_GUARD,P_PINQ(F),S_CUTB(g)::B(G),XP(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).