MESON Chess Problem Database
Problem Display
PID: 222477 (8/8/3p1n2/4n2R/BPk1r3/P3p3/P2pNpQ1/3N1K2 w - - 0 1)
Braune, Robert
Philadelphia Times, 1883
#2
9 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Sb2#
- 1...Rd4
- 2.Sb2#
- 1...Rf4
- 2.Sb2#
- 1...Rg4
- 2.Sb2#
- 1...Rh4
- 2.Sb2#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Sf3
- 2.Sb2#
- 2.Bb5#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sg6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sxh5
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd3
- Tries
- 1.Bb3+?
- 1...Kd3
- 2.Sb2#
- 1...Kb5!
- 1...Kd3
- 1.Bc6?
- threat
- 2.Sb2#
- 1...Sd3
- 2.Bb5#
- 1...Kd3!
- threat
- 1.Rxe5?
- threat
- 2.Sb2#
- 2.Bb5#
- 1...Kd3
- 2.Sb2#
- 1...Rxe5
- 2.Sb2#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...dxe5!
- threat
- 1.Rf5?
- 1...Kd3
- 2.Sb2#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Rd4
- 2.Sb2#
- 1...Rf4
- 2.Sb2#
- 1...Rg4
- 2.Sb2#
- 1...Rh4
- 2.Sb2#
- 1...Sf3
- 2.Sb2#
- 2.Bb5#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sg6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd5!
- 1...Kd3
- 1.Rg5?
- 1...Kd3
- 2.Sb2#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Rd4
- 2.Sb2#
- 1...Rf4
- 2.Sb2#
- 1...Rg4
- 2.Sb2#
- 1...Rh4
- 2.Sb2#
- 1...Sf3
- 2.Sb2#
- 2.Bb5#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sg6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sh5
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd5!
- 1...Kd3
- 1.Qh1?
- 1...Kd3
- 2.Sb2#
- 1...Sxh5
- 2.Qxe4#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Rd4
- 2.Sb2#
- 1...Rf4
- 2.Sb2#
- 1...Rg4
- 2.Sb2#
- 1...Rh4
- 2.Sb2#
- 1...Sf3
- 2.Sb2#
- 2.Bb5#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sg6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd5!
- 1...Kd3
- 1.Qf3?
- 1...Kd3
- 2.Sb2#
- 1...Sxf3
- 2.Sb2#
- 2.Bb5#
- 1...Sxh5
- 2.Qxe4#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Rd4
- 2.Sb2#
- 1...Rf4
- 2.Sb2#
- 1...Rg4
- 2.Sb2#
- 1...Rh4
- 2.Sb2#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sg6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd5!
- 1...Kd3
- 1.Qg8+?
- 1...Kd3
- 2.Sb2#
- 2.Qb3#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sd5
- 2.Sb2#
- 1...d5
- 2.Sb2#
- 1...Sxg8!
- 1...Kd3
- 1.Bb3+?
- Keys
- 1.Qg6!
- 1...Kd3
- 2.Sb2#
- 1...Kd5
- 2.Qf7#
- 1...Sxg6
- 2.Sb2#
- 2.Bb5#
- 1...Sxh5
- 2.Qxe4#
- 1...Sd3
- 2.Bb3#
- 2.Bb5#
- 1...Rd4
- 2.Sxe3#
- 1...Rf4
- 2.Sxe3#
- 1...Rg4
- 2.Sxe3#
- 1...Rh4
- 2.Sxe3#
- 1...Sf3
- 2.Sb2#
- 2.Bb5#
- 1...Seg4
- 2.Sb2#
- 2.Bb5#
- 1...Sc6
- 2.Sb2#
- 2.Bb5#
- 1...Sed7
- 2.Sb2#
- 2.Bb5#
- 1...Sf7
- 2.Sb2#
- 2.Bb5#
- 1...Sfg4
- 2.Qxe4#
- 1...Sd5
- 2.Sb2#
- 2.Qxe4#
- 1...Sfd7
- 2.Qxe4#
- 1...Sh7
- 2.Qxe4#
- 1...Se8
- 2.Qxe4#
- 1...Sg8
- 2.Qxe4#
- 1...d5
- 2.Sb2#
- 1...Kd3
- 1.Qg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT::S(A)
- R(e);::S(A)
- S(h);N_GUARD::QAR2(E),XR(e)
- S(h);N_GUARD,XR(I)::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
- Tries
- Try
- B(G);CHECK
- Vars
- K(d);S_FLIGHT::S(A)
- Refutation
- K(d);P_SPINS(f),S_FLIGHT
- Try
- B(G);
- Threat
- S(A)
- Vars
- S(f);SBLOCK::B(G)
- Refutation
- K(d);S_FLIGHT
- Try
- R(I);XS(f)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::S(A)
- R(e);XR(I)::S(A)
- P(g);::S(A)
- Refutation
- P(g);XR(I)
- Try
- R(I);
- Vars
- K(d);S_FLIGHT::S(A)
- R(e);::S(A)
- S(h);N_GUARD::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
- Refutation
- K(d);P_SPINR(e),P_SPINS(f),S_FLIGHT
- Try
- R(I);
- Vars
- K(d);S_FLIGHT::S(A)
- R(e);::S(A)
- S(h);N_GUARD::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
- Refutation
- K(d);P_SPINR(e),P_SPINS(f),S_FLIGHT
- Try
- Q(E);
- Vars
- K(d);S_FLIGHT::S(A)
- S(h);N_GUARD,XR(I)::QAR2(E),XR(e)
- R(e);::S(A)
- S(h);N_GUARD::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
- Refutation
- K(d);P_SPINR(e),P_SPINS(f),S_FLIGHT
- Try
- Q(E);
- Vars
- K(d);P_SPINP(c),S_FLIGHT::S(A)
- S(h);N_GUARD,XR(I)::QAR2(E),XR(e)
- R(e);::S(A)
- S(h);N_GUARD::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
- Refutation
- K(d);P_SPINR(e),P_SPINS(f),S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- S(h);P_SPINS(h)::S(A)
- P(g);P_SPINP(g)::S(A)
- Refutation
- S(h);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- K(d);P_SPINR(e),S_FLIGHT::S(A)
- K(d);P_SPINS(f),S_FLIGHT::QAB(E)
- S(h);N_GUARD,XR(I)::QAR2(E),XR(e)
- R(e);N_GUARD::S(A),XP(c)
- S(h);N_GUARD::QAR2(E),XR(e)
- P(g);SBLOCK::S(A)
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).