MESON Chess Problem Database
Problem Display
PID: 175121 (1K1RN3/1P6/3Bn2b/3B3r/1PPk3r/n6b/3PQ3/8 w - - 0 1)
Jensen, Thomas
320 Danske Skakopgaver, 1902
#2
10 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Qe3#
- 1...Rxd5
- 2.Be5#
- 1...Re5
- 2.Bxe5#
- 1...Rg5
- 2.Qe3#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Be5#
- 1...Bxd2
- 2.Qxd2#
- 1...Be3
- 2.Qxe3#
- 1...Bf4
- 2.Qe4#
- 1...Bg5
- 2.Be5#
- 1...Bg7
- 2.Qe3#
- 1...Bf8
- 2.Qe3#
- 1...Sxc4
- 2.Qxc4#
- 1...Sf4
- 2.Bc5#
- 2.Qe3#
- 2.Qe4#
- 1...Sc5
- 2.Bxc5#
- 1...Sg5
- 2.Bc5#
- 2.Be5#
- 2.Qe3#
- 1...Sc7
- 2.Bc5#
- 1...Sg7
- 2.Bc5#
- 1...Sxd8
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...Re4
- Tries
- 1.Bxe6?
- threat
- 2.Bc5#
- 2.Be5#
- 1...Bxd2
- 2.Be5#
- 1...Be3
- 2.Qxe3#
- 1...Rc5
- 2.Bxc5#
- 2.Be5#
- 1...Re5
- 2.Bc5#
- 2.Bxe5#
- 1...Bf4
- 2.Be5#
- 1...Re4!
- threat
- 1.Bf4?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Rxf4
- 2.Qe3#
- 1...Rxd5
- 2.Be5#
- 2.Rxd5#
- 1...Sxc4
- 2.Qxc4#
- 2.Qe4#
- 1...Re5
- 2.Bxe5#
- 1...Bg2
- 2.Qe3#
- 1...Bf5
- 2.Be5#
- 2.Bxe6#
- 2.Qe3#
- 1...Sc2
- 2.Qe4#
- 1...Sc5
- 2.Qe3#
- 1...Sg5
- 2.Be5#
- 2.Be6#
- 2.Qe3#
- 1...Bxf4+!
- threat
- 1.Qf2+?
- 1...Be3
- 2.Qxe3#
- 1...Kd3!
- 1...Be3
- 1.Bxe6?
- Keys
- 1.Sc7!
- 1...Rxd5
- 2.Be5#
- 1...Bxd2
- 2.Qxd2#
- 1...Sxc4
- 2.Qxc4#
- 1...Sxc7
- 2.Bc5#
- 1...Sxd8
- 2.Bc5#
- 1...Rg4
- 2.Sxe6#
- 1...Re4
- 2.Qxe4#
- 1...Rf4
- 2.Qe3#
- 1...Re5
- 2.Bxe5#
- 1...Rf5
- 2.Sxe6#
- 1...Rg5
- 2.Qe3#
- 1...Bf1
- 2.Sxe6#
- 1...Bg2
- 2.Sxe6#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Be5#
- 1...Be3
- 2.Qxe3#
- 1...Bf4
- 2.Qe4#
- 1...Bg5
- 2.Be5#
- 1...Bg7
- 2.Qe3#
- 1...Bf8
- 2.Qe3#
- 1...Sb1
- 2.Sb5#
- 1...Sc2
- 2.Sb5#
- 1...Sb5
- 2.Sxb5#
- 1...Sf4
- 2.Bc5#
- 2.Qe3#
- 2.Qe4#
- 1...Sc5
- 2.Bxc5#
- 1...Sg5
- 2.Bc5#
- 2.Be5#
- 2.Qe3#
- 1...Sg7
- 2.Bc5#
- 1...Sf8
- 2.Bc5#
- 1...Rxd5
- 1.Sc7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);S_CUTB(g)::QAB1(B)
- R(e);N_GUARD,XB(E)::B(F)
- R(e);N_GUARD::B(F),XR(e)
- R(e);S_CUTB(g)::QAB1(B)
- B(b);S_CUTR(d)::QAR1(B)
- B(b);S_CUTR(e)::B(F)
- B(g);OGATE,XP(A)::QAR2(B),XB(g)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);P_PINB(F),S_CUTR(d)::QAR1(B)
- B(g);S_CUTR(e)::B(F)
- B(g);N_GUARD::QAB1(B)
- S(a);OGATE,XP(D)::QAR1(B),XS(a)
- S(f);N_GUARD::B(F),XS(f)
- S(f);N_GUARD::B(F)
- S(f);N_GUARD,XR(I)::B(F)
- Tries
- Try
- B(E);XS(f)
- Threat
- DUALS(2)
- Vars
- B(g);XP(A)::R(I)+B(F),DCHECK
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);P_PINB(F)::R(I)+B(F),DCHECK
- Refutation
- R(d);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(d);XB(F)::QAB1(B)
- R(e);N_GUARD::B(F),XR(e)
- B(b);::QAB1(B)
- S(a);::QAR1(B)
- S(f);::QAB1(B)
- Refutation
- B(g);CHECK,XB(F)
- Try
- Q(B);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(B),XB(g)
- Refutation
- K(c);P-FLIGHT
- Try
- Actual
- S(J);
- Vars
- R(e);N_GUARD,XB(E)::B(F)
- B(g);OGATE,XP(A)::QAR2(B),XB(g)
- S(a);OGATE,XP(D)::QAR1(B),XS(a)
- S(f);N_GUARD,XS(J)::B(F)
- S(f);N_GUARD,XR(I)::B(F)
- R(d);S_CUTB(b)::S(J),XS(f)
- R(d);N_GUARD::QAR1(B),XR(d)
- R(d);S_CUTB(g)::QAB1(B)
- R(e);N_GUARD::B(F),XR(e)
- R(e);S_CUTB(b)::S(J),XS(f)
- R(e);S_CUTB(g)::QAB1(B)
- B(b);N_GUARD::S(J),XS(f)
- B(b);S_CUTR(d)::QAR1(B)
- B(b);S_CUTR(e)::B(F)
- B(g);N_GUARD::QAB1(B),XB(g)
- B(g);S_CUTR(d)::QAR1(B)
- B(g);S_CUTR(e)::B(F)
- B(g);N_GUARD::QAB1(B)
- S(a);N_GUARD::S(J)
- S(a);N_GUARD::S(J),XS(a)
- S(f);N_GUARD::B(F),XS(f)
- S(f);N_GUARD::B(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).