MESON Chess Problem Database
Problem Display
PID: 195082 (1b2R3/1Bpp4/1pP1Npn1/1Rpk1N2/1p1P4/3P2K1/2P5/8 w - - 0 1)
Berkel, Adrian V
Brisbane Courier, 1918
#2
10 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Se7
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...dxe6
- 2.Rd8#
- 1...d6
- 2.Se3#
- 1...Ba7
- Tries
- 1.Kf2?
- 1...dxe6
- 2.Rd8#
- 1...Se7
- 2.Sf4#
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...d6
- 2.Se3#
- 1...dxc6!
- 1...dxe6
- 1.Kh2?
- 1...dxe6
- 2.Rd8#
- 1...Se7
- 2.Sf4#
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...d6
- 2.Se3#
- 1...dxc6!
- 1...dxe6
- 1.Kh3?
- 1...Sf4+
- 2.Sxf4#
- 1...dxe6
- 2.Rd8#
- 1...Se7
- 2.Sf4#
- 1...Ba7
- 2.Sxc7#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...d6
- 2.Se3#
- 1...dxc6!
- 1...Sf4+
- 1.Sxc5?
- threat
- 2.Sb3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Se6#
- 2.Sxd7#
- 1...bxc5
- 2.Rxc5#
- 1...dxc6
- 2.Sb3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Se6#
- 2.Sd7#
- 2.Rd8#
- 1...b3
- 2.Sxb3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Se6#
- 2.Sxd7#
- 2.c4#
- 1...d6
- 2.Sb3#
- 2.Sa4#
- 2.Se4#
- 2.Sa6#
- 2.Se6#
- 2.Sd7#
- 1...Se7!
- threat
- 1.Ba8?
- 1...dxe6
- 2.Rd8#
- 1...Se7
- 2.Sf4#
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...d6
- 2.Se3#
- 1...dxc6!
- 1...dxe6
- 1.Re7?
- 1...Sxe7
- 2.Sf4#
- 1...dxe6
- 2.Rd7#
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...d6
- 2.Se3#
- 1...dxc6!
- 1...Sxe7
- 1.Rxb8?
- threat
- 2.Sxc7#
- 1...dxe6
- 2.Rd8#
- 1...Kxe6!
- threat
- 1.c3?
- threat
- 2.c4#
- 1...Se7
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...bxc3!
- threat
- 1.Kf2?
- Keys
- 1.Rxb6!
- 1...cxb6+
- 2.c7#
- 1...cxd4
- 2.Rb5#
- 1...dxc6
- 2.Bxc6#
- 1...dxe6
- 2.Rd8#
- 1...Se7
- 2.Sf4#
- 1...Ba7
- 2.Sxc7#
- 1...Sf4
- 2.Sxf4#
- 1...Sh4
- 2.Sf4#
- 1...Se5
- 2.Sf4#
- 1...Sf8
- 2.Sf4#
- 1...Sh8
- 2.Sf4#
- 1...b3
- 2.c4#
- 1...c4
- 2.Rb5#
- 1...d6
- 2.Se3#
- 1...cxb6+
- 1.Rxb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- S(f);N_GUARD::S(H)
- P(a);N_GUARD::P(A)
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- P(h);SBLOCK::S(F)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- S(f);N_GUARD::S(H)
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- P(a);N_GUARD::P(A)
- P(h);SBLOCK::S(F)
- Refutation
- P(h);XP(G)
- Try
- K(C);S_FLIGHT
- Vars
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- S(f);N_GUARD::S(H)
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- P(a);N_GUARD::P(A)
- P(h);SBLOCK::S(F)
- Refutation
- P(h);XP(G)
- Try
- K(C);P-FLIGHT
- Vars
- S(f);CHECK,N_GUARD::S(H),XS(f)
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- S(f);N_GUARD::S(H)
- B(i);N_GUARD::S(H),XP(g)
- P(a);N_GUARD::P(A)
- P(h);SBLOCK::S(F)
- Refutation
- P(h);XP(G)
- Try
- S(H);XP(b)
- Threat
- DUALS(6)
- Vars
- P(d);OGATE,P_SPINP(d),XS(H)::R1(E),XP(d)
- Refutation
- S(f);
- Try
- B(I);
- Vars
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- S(f);N_GUARD::S(H)
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- P(a);N_GUARD::P(A)
- P(h);SBLOCK::S(F)
- Refutation
- P(h);XP(G)
- Try
- R(J);
- Vars
- S(f);N_GUARD,XR(J)::S(H)
- P(h);SBLOCK,XS(H)::R(J)
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- S(f);N_GUARD::S(H)
- P(a);N_GUARD::P(A)
- P(h);SBLOCK::S(F)
- Refutation
- P(h);XP(G)
- Try
- R(J);XB(i)
- Threat
- S(H),XP(g)
- Vars
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- Refutation
- K(c);N_SPINP(b),S_FLIGHT,XS(H)
- Try
- P(A);
- Threat
- P(A)
- Vars
- S(f);N_GUARD::S(H)
- Refutation
- P(a);XP(A)
- Try
- Actual
- R(E);N_PINP(b),XP(d)
- Vars
- P(g);CHECK,OGATE,XR(E)::B(I)+P(G)
- P(b);OGATEB,XP(D)::R(E)
- P(h);OGATE,P_SPINP(h),XP(G)::B(I),XP(h)
- P(h);OGATEB,SBLOCK,XS(H)::R(J)
- S(f);N_GUARD::S(H)
- B(i);N_GUARD::S(H),XP(g)
- S(f);N_GUARD::S(H),XS(f)
- P(a);N_GUARD::P(A)
- P(b);OGATEB::R(E)
- P(h);SBLOCK::S(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).