MESON Chess Problem Database
Problem Display
PID: 56026 (8/2p1K3/2p1p3/4kB2/1Q6/p3N2N/6Rb/1br5 w - - 0 1)
Bottger, Horst
Comm., StrateGems, 2002
#2
6 + 8
| 145 | StrateGems | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qc3#
- 2.Qc5#
- 1...Rf1
- 2.Qc3#
- 2.Qc5#
- 1...Rg1
- 2.Qc3#
- 2.Qc5#
- 1...Rh1
- 2.Qc3#
- 2.Qc5#
- 1...Rc2
- 2.Qe4#
- 1...Rc3
- 2.Qxc3#
- 1...Rc5
- 2.Qxc5#
- 1...Ba2
- 2.Qe4#
- 1...Bc2
- 2.Qc3#
- 2.Qc5#
- 1...Be4
- 2.Qxe4#
- 1...Bg1
- 2.Qf4#
- 1...Bf4
- 2.Qxf4#
- 1...Re1
- Tries
- 1.Sg4+?
- 1...Kd5
- 2.Bxe6#
- 1...Kxf5!
- 1...Kd5
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Sf7#
- 1...Be4
- 2.Qxe4#
- 1...Rf1
- 2.Sf7#
- 1...Rc4!
- threat
- 1.Bxb1?
- threat
- 2.Rg5#
- 2.Qe4#
- 1...Rxb1
- 2.Rg5#
- 1...Rf1
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Rg1
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Rc2
- 2.Rg5#
- 1...Bg3
- 2.Qe4#
- 1...Bf4
- 2.Qe4#
- 2.Qxf4#
- 1...Rc4!
- threat
- 1.Bc2?
- threat
- 2.Rg5#
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Rxc2
- 2.Rg5#
- 1...Rd1
- 2.Rg5#
- 2.Qe4#
- 1...Rf1
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Rg1
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Ba2
- 2.Rg5#
- 2.Qc3#
- 2.Qe4#
- 1...Bg3
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Bf4
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 2.Qxf4#
- 1...c5
- 2.Rg5#
- 2.Qc3#
- 2.Qxc5#
- 2.Qe4#
- 1...Bxc2!
- threat
- 1.Rc2?
- threat
- 2.Qc3#
- 2.Qc5#
- 2.Qe4#
- 1...Rxc2
- 2.Qe4#
- 1...Bxc2
- 2.Qc3#
- 2.Qc5#
- 1...Rd1
- 2.Qe4#
- 1...Ba2
- 2.Qc3#
- 2.Qe4#
- 1...c5
- 2.Qc3#
- 2.Qxc5#
- 2.Qe4#
- 1...exf5!
- threat
- 1.Rxh2?
- threat
- 2.Qf4#
- 1...Rf1
- 2.Qc3#
- 2.Qc5#
- 1...Be4
- 2.Qxe4#
- 1...Rc4!
- threat
- 1.Qb2+?
- 1...Rc3
- 2.Qxc3#
- 1...axb2!
- 1...Rc3
- 1.Sg4+?
- Keys
- 1.Sc2!
- threat
- 2.Qc5#
- 2.Qe4#
- 1...Kd5
- 2.Qd4#
- 1...Kxf5
- 2.Rg5#
- 1...Rxc2
- 2.Qe4#
- 1...Bxc2
- 2.Qc5#
- 1...exf5
- 2.Qd4#
- 1...Rd1
- 2.Qe4#
- 1...Re1
- 2.Qc5#
- 1...Ba2
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...c5
- 2.Qxc5#
- 2.Qe4#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- R(b);S_CUTB(a)::QAR1(D)
- R(b);N_GUARD::QAB(D),XR(b)
- R(b);N_GUARD::QAR2(D),XR(b)
- B(a);N_GUARD::QAR1(D)
- B(a);N_GUARD::QAR1(D),XB(a)
- B(c);N_GUARD::QAB1(D)
- B(c);N_GUARD::QAB1(D),XB(c)
- Tries
- Try
- S(B);CHECK
- Vars
- K(e);P-FLIGHT::B(E),XP(g)
- Refutation
- K(e);P-FLIGHT,XB(E)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::QAR1(D),XB(a)
- R(b);::S(C)
- Refutation
- R(b);
- Try
- B(E);XB(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(E)::R(A)
- R(b);::R(A)
- B(c);::QAR1(D)
- Refutation
- R(b);
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(b);XB(E)::R(A)
- Refutation
- B(a);XB(E)
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- R(b);XR(A)::QAR1(D)
- R(b);::QAR1(D)
- Refutation
- P(g);XB(E)
- Try
- R(A);XB(c)
- Threat
- QAB1(D)
- Vars
- B(a);N_GUARD::QAR1(D),XB(a)
- Refutation
- R(b);
- Try
- Q(D);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB(D),XR(b)
- Refutation
- P(d);XQ(D)
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- K(e);P-FLIGHT::QAR1(D)
- K(e);OGATEB,P-FLIGHT,XB(E)::R1(A)
- R(b);XS(B)::QAR1(D)
- B(a);XS(B)::QAR2(D)
- P(g);SBLOCK,XB(E)::QAB1(D)
- R(b);::QAR1(D)
- R(b);::QAR2(D)
- B(a);::QAR1(D)
- B(c);::QAR1(D)
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).