MESON Chess Problem Database
Problem Display
PID: 204546 (3n3r/1p1B2N1/q7/2p3p1/3P1kP1/BQ1b1P1P/3PPN1K/8 w - - 0 1)
Findeisen, Walter
Arbeiter Schachzeitung, 1925
#2
12 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxa3
- 2.Sxd3#
- 1...Qa4
- 2.Sxd3#
- 1...Qa5
- 2.Sxd3#
- 1...Qb6
- 2.Sxd3#
- 1...Qc6
- 2.Sxd3#
- 1...Qd6
- 2.Sxd3#
- 1...Qe6
- 2.Sxd3#
- 1...Qf6
- 2.Sxd3#
- 1...Qh6
- 2.Sxd3#
- 1...Qa7
- 2.Sxd3#
- 1...Qa8
- 2.Sxd3#
- 1...Rxh3+
- 2.Sxh3#
- 1...Rh5
- 2.Sxh5#
- 1...Re8
- 2.Sh5#
- 1...Rf8
- 2.Sh5#
- 1...Rg8
- 2.Sh5#
- 1...Bb1
- 2.Qe3#
- 1...Bc2
- 2.Qe3#
- 1...Bxe2
- 2.Qe3#
- 1...Bc4
- 2.Qe3#
- 1...Be4
- 2.Qe3#
- 1...Bb5
- 2.Qe3#
- 1...Bf5
- 2.Qe3#
- 1...Bg6
- 2.Qe3#
- 1...Bh7
- 2.Sh5#
- 2.Qe3#
- 1...Sc6
- 2.Se6#
- 1...b5
- 2.Sxd3#
- 1...Qxa3
- Tries
- 1.Kg2?
- threat
- 2.e3#
- 1...Bxe2
- 2.Qe3#
- 1...Qe6
- 2.Sxd3#
- 1...Re8
- 2.Sh5#
- 1...cxd4!
- threat
- 1.Se6+?
- 1...Qxe6
- 2.Sxd3#
- 1...Sxe6!
- 1...Qxe6
- 1.Qd5?
- threat
- 2.Qe5#
- 2.e3#
- 1...Rxh3+
- 2.Sxh3#
- 1...Bxe2
- 2.Qe4#
- 2.Qf5#
- 1...Qd6
- 2.Sxd3#
- 2.Qxd6#
- 2.e3#
- 1...Qe6
- 2.Sxd3#
- 1...Qf6
- 2.Sxd3#
- 2.e3#
- 1...Re8
- 2.Sh5#
- 1...Be4
- 2.Qxe4#
- 2.Qe5#
- 1...Sc6
- 2.Se6#
- 2.e3#
- 1...Sf7
- 2.e3#
- 1...cxd4!
- threat
- 1.Qf7+?
- 1...Qf6
- 2.Sxd3#
- 1...Bf5
- 2.Qxf5#
- 1...Sxf7!
- 1...Qf6
- 1.Qxd3?
- threat
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 1...Rxh3+
- 2.Sxh3#
- 1...Qxd3
- 2.Sxd3#
- 1...Qxa3
- 2.Qe4#
- 2.Qf5#
- 1...cxd4
- 2.Qe4#
- 2.Qf5#
- 2.Qxd4#
- 1...Qc6
- 2.Qf5#
- 2.Qe3#
- 1...Qf6
- 2.Qe4#
- 2.Qe3#
- 1...Qg6
- 2.Qe3#
- 1...Re8
- 2.Sh5#
- 2.Qf5#
- 1...Rf8
- 2.Sh5#
- 2.Qe4#
- 2.Qe3#
- 1...Qe6!
- threat
- 1.Kg2?
- Keys
- 1.Bc6!
- threat
- 2.e3#
- 1...Rxh3+
- 2.Sxh3#
- 1...Qxc6
- 2.Sxd3#
- 1...Bxe2
- 2.Qe3#
- 1...Sxc6
- 2.Se6#
- 1...cxd4
- 2.Bd6#
- 1...bxc6
- 2.Qb8#
- 1...Re8
- 2.Sh5#
- 1...Be4
- 2.Qe3#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 20
- Sets
- Q(e);N_GUARD,XB(E)::S(C),XB(a)
- Q(e);N_GUARD::S(C),XB(a)
- R(h);CHECK,XP(H)::S(C),XR(h)
- R(h);N_GUARD::S(L),XR(h)
- R(h);N_GUARD,N_PINP(H)::S(L)
- B(a);OGATE::QAB1(F)
- B(a);OGATE,XP(B)::QAB1(F)
- S(g);N_GUARD,S_CUTQ(e)::S(L)
- P(f);S_CUTQ(e)::S(C),XB(a)
- Tries
- Try
- K(D);N_SPINP(H),P-FLIGHT
- Threat
- P(B)
- Vars
- B(a);OGATE,XP(B)::QAB1(F)
- Q(e);N_GUARD::S(C),XB(a)
- R(h);N_GUARD::S(L)
- Refutation
- P(c);XP(I)
- Try
- S(L);CHECK
- Vars
- Q(e);XS(L)::S(C),XB(a)
- Refutation
- S(g);XS(L)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,XP(H)::S(C),XR(h)
- Q(e);N_GUARD::S(C),XB(a)
- R(h);N_GUARD,N_PINP(H)::S(L)
- S(g);::P(B)
- Refutation
- P(c);XP(I)
- Try
- Q(F);CHECK
- Vars
- Q(e);P_SPINQ(e)::S(C),XB(a)
- B(a);N_GUARD,P_SPINB(a)::QAR1(F),XB(a)
- Refutation
- S(g);XQ(F)
- Try
- Q(F);XB(a)
- Threat
- DUALS(3)
- Vars
- R(h);CHECK,XP(H)::S(C),XR(h)
- Q(e);XQ(F)::S(C),XQ(e)
- Q(e);::QAB1(F)
- Refutation
- Q(e);
- Try
- Actual
- B(K);
- Threat
- P(B)
- Vars
- R(h);CHECK,XP(H)::S(C),XR(h)
- Q(e);N_GUARD,XB(K)::S(C),XB(a)
- B(a);OGATE,XP(B)::QAB1(F)
- S(g);N_GUARD,XB(K)::S(L)
- P(c);OGATE,XP(I)::B(E)
- P(f);OGATE,XB(K)::QAB(F)
- R(h);N_GUARD,N_PINP(H)::S(L)
- B(a);OGATE::QAB1(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).