MESON Chess Problem Database
Problem Display
PID: 58305 (8/2pR1p2/2Pbkp1n/2R2p1Q/p2P4/1r2PPp1/B5N1/K7 w - - 0 1)
Jespersen, Karl Lorenz Jesper
Skakbladet, 1905
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Bf4
- 2.Sxf4#
- 1...Bxc5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 2.Qxf5#
- 1...Sg8
- 2.Qxf7#
- 2.Qxf5#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.Qd5#
- 2.d5#
- 1...Bf4
- Tries
- 1.Rc1?
- 1...Kd5
- 2.Sf4#
- 1...Bf4
- 2.Sxf4#
- 1...Ba3
- 2.Sf4#
- 1...Bb4
- 2.Sf4#
- 1...Bc5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 1...Sg8
- 2.Qxf7#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.d5#
- 1...Be5!
- 1...Kd5
- 1.Rc2?
- 1...Kd5
- 2.Sf4#
- 1...Bf4
- 2.Sxf4#
- 1...Ba3
- 2.Sf4#
- 1...Bb4
- 2.Sf4#
- 1...Bc5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 1...Sg8
- 2.Qxf7#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.d5#
- 1...Be5!
- 1...Kd5
- 1.Ra5?
- 1...Bf4
- 2.Sxf4#
- 1...Ba3
- 2.Sf4#
- 1...Bb4
- 2.Sf4#
- 1...Bc5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 2.Qxf5#
- 1...Sg8
- 2.Qxf7#
- 2.Qxf5#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.Qd5#
- 2.d5#
- 1...Be5!
- 1...Bf4
- 1.Rb5?
- 1...Ba3
- 2.Sf4#
- 1...Bb4
- 2.Sf4#
- 1...Bf4
- 2.Sxf4#
- 1...Bc5
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 2.Qxf5#
- 1...Sg8
- 2.Qxf7#
- 2.Qxf5#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.Qd5#
- 2.d5#
- 1...Be5!
- 1...Ba3
- 1.Rxf5?
- threat
- 2.d5#
- 1...Sxf5
- 2.Qxf7#
- 1...Be5!
- threat
- 1.Qxh6?
- 1...Bxc5
- 2.Sf4#
- 1...Be5
- 2.Rxe5#
- 1...Bf4
- 2.Sxf4#
- 1...Be7
- 2.Sf4#
- 2.Re5#
- 1...Bf8
- 2.Sf4#
- 2.Re5#
- 1...a3
- 2.Bxb3#
- 1...f4!
- 1...Bxc5
- 1.e4?
- 1...Bxc5
- 2.Sf4#
- 1...fxe4
- 2.Qd5#
- 2.d5#
- 1...Bf4
- 2.Sxf4#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 2.Qxf5#
- 2.exf5#
- 1...Sg8
- 2.Qxf7#
- 2.Qxf5#
- 2.exf5#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.Qd5#
- 2.d5#
- 1...Be5!
- 1...Bxc5
- 1.f4?
- threat
- 2.d5#
- 1...Bxf4
- 2.Sxf4#
- 1...Be5!
- threat
- 1.Rc1?
- Keys
- 1.Rc3!
- 1...Kd5
- 2.Sf4#
- 1...Bf4
- 2.Sxf4#
- 1...Ba3
- 2.Sf4#
- 1...Bb4
- 2.Sf4#
- 1...Bc5
- 2.Sf4#
- 1...Be5
- 2.d5#
- 1...Be7
- 2.Sf4#
- 1...Bf8
- 2.Sf4#
- 1...Sg4
- 2.Qxf7#
- 1...Sg8
- 2.Qxf7#
- 1...a3
- 2.Bxb3#
- 1...f4
- 2.d5#
- 1...Kd5
- 1.Rc3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD,XR(G)::S(C)
- B(e);N_GUARD::S(C)
- P(c);N_GUARD::B(B),XR(a)
- Tries
- Try
- R(G);
- Vars
- K(f);P_SPINB(e),P_SPINP(d),S_FLIGHT::S(C)
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- S(h);N_GUARD::QAB1(H),XP(j)
- P(c);N_GUARD::B(B),XR(a)
- P(d);::P(F)
- Refutation
- B(e);P_PINP(F)
- Try
- R(G);
- Vars
- K(f);P_SPINB(e),P_SPINP(d),S_FLIGHT::S(C)
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- S(h);N_GUARD::QAB1(H),XP(j)
- P(c);N_GUARD::B(B),XR(a)
- P(d);::P(F)
- Refutation
- B(e);P_PINP(F)
- Try
- R(G);
- Vars
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- P(c);N_GUARD::B(B),XR(a)
- Refutation
- B(e);P_PINP(F)
- Try
- R(G);
- Vars
- B(e);N_GUARD::S(C)
- B(e);N_GUARD::S(C),XB(e)
- P(c);N_GUARD::B(B),XR(a)
- Refutation
- B(e);P_PINP(F)
- Try
- R(G);XP(d)
- Threat
- P(F)
- Vars
- S(h);N_GUARD,SBLOCK,XR(G)::QAB1(H),XP(j)
- Refutation
- B(e);P_PINP(F)
- Try
- Q(H);P_PINP(g),XS(h)
- Vars
- B(e);N_GUARD,XR(G)::S(C)
- B(e);N_GUARD,P_PINP(F)::R1(G),XB(e)
- B(e);N_GUARD::S(C),XB(e)
- P(c);N_GUARD::B(B),XR(a)
- Refutation
- P(d);
- Try
- P(D);
- Vars
- B(e);N_GUARD,XR(G)::S(C)
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- P(c);N_GUARD::B(B),XR(a)
- Refutation
- B(e);P_PINP(F)
- Try
- P(E);
- Threat
- P(F)
- Vars
- B(e);XP(E)::S(C),XB(e)
- Refutation
- B(e);P_PINP(F)
- Try
- Actual
- R(G);
- Vars
- K(f);P_SPINB(e),P_SPINP(d),S_FLIGHT::S(C)
- B(e);N_GUARD::S(C),XB(e)
- B(e);N_GUARD::S(C)
- B(e);SBLOCK::P(F)
- S(h);N_GUARD::QAB1(H),XP(j)
- P(c);N_GUARD::B(B),XR(a)
- P(d);::P(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).