MESON Chess Problem Database
Problem Display
PID: 175258 (3R4/1p3N2/1Bp3Q1/K1nb3R/2k5/2p1r3/P1P5/8 w - - 0 1)
Ehrenstein, Moritz
Magyar Sakkszemle, 1902
#2
8 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Rxc5#
- 1...Bg2
- 2.Rxc5#
- 1...Bf3
- 2.Rxc5#
- 1...Be4
- 2.Se5#
- 2.Rxc5#
- 1...Be6
- 2.Rxc5#
- 1...Bxf7
- 2.Rxc5#
- 1...Sb3+
- 2.axb3#
- 2.cxb3#
- 1...Sd3
- 2.Sd6#
- 1...Sa4
- 2.Sd6#
- 1...Se4
- 2.Se5#
- 1...Sa6
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sd7
- 2.Sd6#
- 1...Bh1
- Tries
- 1.Rh4+?
- 1...Be4
- 2.Se5#
- 1...Se4
- 2.Se5#
- 2.Sd6#
- 1...Re4!
- 1...Be4
- 1.Qd3+?
- 1...Sxd3
- 2.Sd6#
- 1...Rxd3!
- 1...Sxd3
- 1.Qe4+?
- 1...Bxe4
- 2.Se5#
- 2.Rxc5#
- 1...Sxe4
- 2.Se5#
- 1...Rxe4!
- 1...Bxe4
- 1.Qg4+?
- 1...Be4
- 2.Se5#
- 2.Rxc5#
- 1...Se4
- 2.Se5#
- 2.Sd6#
- 1...Re4!
- 1...Be4
- 1.Qxc6?
- threat
- 2.Qxd5#
- 2.Qxc5#
- 1...Kd4
- 2.Qa4#
- 2.Qxd5#
- 1...Bxc6
- 2.Rxc5#
- 1...Bxf7
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...Rd3
- 2.Qxc5#
- 1...Re5
- 2.Qxc5#
- 1...Bh1
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...Bg2
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...Bf3
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...Be4
- 2.Se5#
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...Be6
- 2.Rxc5#
- 2.Qb5#
- 2.Qxc5#
- 1...bxc6!
- threat
- 1.Rh4+?
- Keys
- 1.Qg1!
- 1...Sb3+
- 2.axb3#
- 1...Kd4
- 2.Rh4#
- 1...Bxf7
- 2.Rxc5#
- 1...Re1
- 2.Sd6#
- 2.Qxc5#
- 1...Re2
- 2.Sd6#
- 2.Qxc5#
- 1...Rd3
- 2.Se5#
- 2.Sd6#
- 2.Qxc5#
- 1...Rf3
- 2.Se5#
- 2.Sd6#
- 2.Qxc5#
- 1...Rg3
- 2.Se5#
- 2.Sd6#
- 2.Qxc5#
- 1...Rh3
- 2.Se5#
- 2.Sd6#
- 2.Qxc5#
- 1...Re4
- 2.Sd6#
- 2.Qxc5#
- 1...Re5
- 2.Sxe5#
- 2.Sd6#
- 2.Qxc5#
- 1...Re6
- 2.Qxc5#
- 1...Re7
- 2.Sd6#
- 2.Qxc5#
- 1...Re8
- 2.Sd6#
- 2.Qxc5#
- 1...Bh1
- 2.Rxc5#
- 1...Bg2
- 2.Rxc5#
- 1...Bf3
- 2.Rxc5#
- 1...Be4
- 2.Se5#
- 2.Rxc5#
- 1...Be6
- 2.Rxc5#
- 1...Sd3
- 2.Sd6#
- 1...Sa4
- 2.Sd6#
- 1...Se4
- 2.Se5#
- 1...Sa6
- 2.Sd6#
- 1...Se6
- 2.Sd6#
- 1...Sd7
- 2.Sd6#
- 1...Sb3+
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(e);OGATE::R1(D),XS(d)
- B(e);OGATE,XS(G)::R1(D),XS(d)
- S(d);::S(G)
- S(d);S_CUTR(b)::S(G)
- Tries
- Try
- R(D);CHECK
- Vars
- B(e);P_SPINB(e)::S(G)
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(F);CHECK
- Vars
- S(d);XQ(F)::S(G)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);CHECK
- Vars
- S(d);XQ(F)::S(G)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);CHECK
- Refutation
- R(b);P_SPINR(b)
- Try
- Q(F);P_PINS(d),XP(f)
- Threat
- DUALS(2)
- Vars
- B(e);N_SPINS(d),OGATE,XQ(F)::R1(D),XS(d)
- R(b);::QAR1(F),XS(d)
- Refutation
- P(g);N_SPINS(d),XQ(F)
- Try
- Actual
- Q(F);
- Vars
- S(d);CHECK,OGATE::P(A),XS(d)
- K(c);P-FLIGHT,P_SPINB(e),P_SPINR(b),P_SPINS(d)::R(D)
- B(e);OGATE,XS(G)::R1(D),XS(d)
- R(b);OGATE::QAR1(F),XS(d)
- B(e);OGATE::R1(D),XS(d)
- S(d);::S(G)
- S(d);S_CUTR(b)::S(G)
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).