MESON Chess Problem Database
Problem Display
PID: 91836 (1BN2R2/1QPk1PP1/4nb2/4pBp1/5p2/5p2/5p1K/3r1b2 w - - 0 1)
Bottger, Horst
Schach, 2000
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qd5#
- 1...Rb1
- 2.Qd5#
- 1...Rc1
- 2.Qd5#
- 1...Re1
- 2.Qd5#
- 1...Rd3
- 2.Qb5#
- 1...Rd5
- 2.Qxd5#
- 1...Bg2
- 2.Qb5#
- 1...Bd3
- 2.Qd5#
- 1...Bh3
- 2.Qb5#
- 1...Bb5
- 2.Qxb5#
- 1...Bxg7
- 2.Rd8#
- 1...Bd8
- 2.Rxd8#
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Ra1
- Tries
- 1.Sb6+?
- 1...Ke7
- 2.c8S#
- 1...Kd6!
- 1...Ke7
- 1.Sd6?
- threat
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ke7
- 2.c8S#
- 1...Rxd6
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bxg7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ra1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Re1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Be2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bg2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bh3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bc4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bb5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ba6
- 2.c8Q#
- 2.c8B#
- 1...Be7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...e4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...g4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Kxd6!
- threat
- 1.Sa7?
- threat
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ke7
- 2.c8S#
- 1...Bxg7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ra1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Re1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd6
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Be2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bg2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bh3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bc4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bb5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ba6
- 2.c8Q#
- 2.c8B#
- 1...Be7
- 2.Qc6#
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bd8
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 2.c8Q#
- 2.c8B#
- 1...e4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...g4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Kd6!
- threat
- 1.Se7?
- threat
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Kxe7
- 2.c8S#
- 1...Bxe7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bxg7
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ra1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rb1
- 2.c8Q#
- 2.c8B#
- 1...Rc1
- 2.c8Q#
- 2.c8B#
- 1...Re1
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Rd6
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Be2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bg2
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bd3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bh3
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bc4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Bb5
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Ba6
- 2.c8Q#
- 2.c8B#
- 1...e4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...g4
- 2.c8Q#
- 2.c8S#
- 2.c8B#
- 2.c8R#
- 1...Kd6!
- threat
- 1.Be4?
- threat
- 2.Bc6#
- 2.Qc6#
- 1...Sxc7
- 2.Bf5#
- 2.Qc6#
- 1...Sxg7
- 2.Qc6#
- 1...Sxf8
- 2.gxf8S#
- 1...Sd4
- 2.Qd5#
- 1...Sc5
- 2.Qc6#
- 1...Sd8
- 2.cxd8S#
- 1...Rc1
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Bb5
- 2.Qxb5#
- 1...Bd8
- 2.Bc6#
- 2.cxd8Q#
- 2.cxd8R#
- 1...Rd6!
- threat
- 1.Qb6?
- threat
- 2.Bxe6#
- 2.Qxe6#
- 1...Rd6
- 2.Qxd6#
- 1...Bh3
- 2.Qb5#
- 2.Qxe6#
- 1...Bc4!
- threat
- 1.g8S?
- threat
- 2.Sxf6#
- 1...Bg7
- 2.Rd8#
- 1...Bd8
- 2.Rxd8#
- 2.cxd8Q#
- 2.cxd8S#
- 2.cxd8B#
- 2.cxd8R#
- 1...Bh8
- 2.Rd8#
- 1...Be7!
- threat
- 1.Sb6+?
- Keys
- 1.Bd3!
- threat
- 2.Qd5#
- 2.Qb5#
- 1...Rxd3
- 2.Qb5#
- 1...Bxd3
- 2.Qd5#
- 1...Sxc7
- 2.Bf5#
- 1...Sxg7
- 2.Qd5#
- 1...Sxf8
- 2.gxf8S#
- 1...Sd4
- 2.Qd5#
- 1...Sc5
- 2.Qd5#
- 1...Sd8
- 2.cxd8S#
- 1...Rb1
- 2.Qd5#
- 1...Rc1
- 2.Qd5#
- 1...Be7
- 2.Qb5#
- 1...Bd8
- 2.cxd8Q#
- 2.cxd8R#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::QAR2(C)
- R(a);S_CUTB(b)::QAB(C)
- R(a);N_GUARD::QAR2(C),XR(a)
- B(b);N_GUARD::QAB(C)
- B(b);S_CUTR(a)::QAR2(C)
- B(b);N_GUARD::QAB(C),XB(b)
- B(i);N_GUARD,XP(F)::R1(I)
- Tries
- Try
- S(H);CHECK
- Vars
- K(j);N_SPINS(h),P-FLIGHT::P=S
- Refutation
- K(j);N_SPINS(h),P-FLIGHT
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- K(j);N_SPINS(h),P-FLIGHT::P=S
- R(a);::P=Q
- B(b);::P=Q
- Refutation
- K(j);N_SPINS(h),P-FLIGHT,XS(H)
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- K(j);N_SPINS(h),P-FLIGHT::P=S
- R(a);::P=Q
- B(b);::P=Q
- Refutation
- K(j);N_SPINS(h),P-FLIGHT
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- K(j);N_SPINS(h),P-FLIGHT,XS(H)::P=S
- R(a);::P=Q
- B(b);::P=Q
- Refutation
- K(j);N_SPINS(h),P-FLIGHT
- Try
- B(B);N_PINS(h)
- Threat
- DUALS(2)
- Vars
- S(h);XP(F)::QAB1(C)
- S(h);OGATE,XR(I)::PXS(h)=S
- S(h);S_CUTR(a)::QAR2(C)
- S(h);::QAB1(C)
- S(h);OGATE::PXS(h)=S
- R(a);N_GUARD::QAR2(C)
- R(a);N_GUARD::QAR2(C),XR(a)
- B(b);N_GUARD::QAB(C),XB(b)
- Refutation
- R(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD::QAR1(C),XR(a)
- Refutation
- B(b);
- Try
- P(F);
- Threat
- S(F),XB(i)
- Vars
- B(i);N_GUARD::R1(I)
- Refutation
- B(i);
- Try
- Actual
- B(B);N_PINS(h)
- Threat
- DUALS(2)
- Vars
- R(a);XB(B)::QAB(C)
- B(b);XB(B)::QAR2(C)
- S(h);OGATEB,P_SPINS(h),XP(D)::B(B)
- S(h);XP(F)::QAR2(C)
- S(h);OGATE,XR(I)::PXS(h)=S
- S(h);::QAR2(C)
- S(h);OGATE::PXS(h)=S
- R(a);::QAR2(C)
- B(i);::QAB(C)
- B(i);OGATE::PXB(i)=Q
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).