MESON Chess Problem Database
Problem Display
PID: 202836 (8/5K2/p2N3b/1p1RpB1n/Rn4b1/1rk5/PN4QB/4r3 w - - 0 1)
Gelitz, Jurgen
Schach, 2019
#2
9 + 10
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Se4#
- 2.Bxe5#
- 1...Rb1
- 2.Se4#
- 2.Bxe5#
- 1...Rc1
- 2.Se4#
- 2.Bxe5#
- 1...Rd1
- 2.Se4#
- 1...Rf1
- 2.Se4#
- 2.Bxe5#
- 1...Rg1
- 2.Se4#
- 2.Bxe5#
- 1...Rh1
- 2.Se4#
- 2.Bxe5#
- 1...Re2
- 2.Sd1#
- 1...Re3
- 2.Qd2#
- 1...Re4
- 2.Sxe4#
- 1...Ra3
- 2.Rxa3#
- 1...Be2
- 2.Bxe5#
- 1...Bd2
- 2.Qxd2#
- 1...Be3
- 2.Se4#
- 1...Bg7
- 2.Qd2#
- 1...Bf8
- 2.Qd2#
- 1...Sxa2
- 2.Rd3#
- 2.Rc5#
- 2.Qc2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Rxd3#
- 1...Sxd5
- 2.Qc2#
- 1...Sc6
- 2.Rd3#
- 2.Rc5#
- 2.Qc2#
- 1...Sf4
- 2.Qd2#
- 1...bxa4
- 2.Sxa4#
- 1...e4
- 2.Be5#
- 1...a5
- 2.Sxb5#
- 1...Ra1
- Tries
- 1.Bg1?
- threat
- 2.Rc5#
- 1...Rxg1
- 2.Se4#
- 1...Sxd5
- 2.Qc2#
- 1...Re2
- 2.Sd1#
- 1...Bd2
- 2.Qxd2#
- 1...Sc2
- 2.Qxc2#
- 1...Re3
- 2.Qd2#
- 1...Re4
- 2.Sxe4#
- 1...Be3
- 2.Se4#
- 1...Sd3
- 2.Rxd3#
- 1...Be2!
- threat
- 1.Qe2?
- threat
- 2.Se4#
- 2.Bxe5#
- 1...Rxe2
- 2.Sd1#
- 1...Bxe2
- 2.Bxe5#
- 1...Bxf5
- 2.Bxe5#
- 1...Bd2
- 2.Bxe5#
- 2.Qxd2#
- 1...Sc2
- 2.Qxc2#
- 1...Rd1
- 2.Sxd1#
- 2.Se4#
- 1...Bf3
- 2.Bxe5#
- 1...Be3
- 2.Se4#
- 1...Bf4
- 2.Se4#
- 1...Bg7
- 2.Se4#
- 2.Qd2#
- 1...Sd3
- 2.Se4#
- 2.Rxd3#
- 1...Sc6
- 2.Se4#
- 2.Rd3#
- 2.Rc5#
- 2.Qc2#
- 1...Sf4
- 2.Se4#
- 2.Qd2#
- 1...Sf6
- 2.Bxe5#
- 1...e4
- 2.Sxe4#
- 2.Be5#
- 1...Sg3!
- threat
- 1.Bg1?
- Keys
- 1.Qf2!
- threat
- 2.Rc5#
- 1...Sxd5
- 2.Qc2#
- 1...Re2
- 2.Sd1#
- 1...Be2
- 2.Bxe5#
- 1...Bd2
- 2.Qxd2#
- 1...Sc2
- 2.Qxc2#
- 1...Re3
- 2.Qd2#
- 1...Re4
- 2.Sxe4#
- 1...Be3
- 2.Se4#
- 1...Sd3
- 2.Rxd3#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::S(H)
- R(a);N_GUARD,S_CUTB(e)::S(B)
- R(a);S_CUTB(j)::QAB1(C)
- R(a);N_GUARD::S(H),XR(a)
- R(b);OGATEB::R(E),XR(b)
- B(e);S_CUTR(a)::B(D),XP(g)
- B(j);N_GUARD::QAB1(C),XB(j)
- B(j);S_CUTR(a)::S(H)
- B(j);N_GUARD::QAB1(C)
- S(d);N_GUARD::QAR1(C),XS(d)
- S(d);N_GUARD::R1(F),XS(d)
- S(d);N_GUARD,XR(F)::QAR1(C)
- S(h);S_CUTB(j)::QAB1(C)
- P(f);XR(E)::S(B),XP(f)
- P(g);S_CUTR(a)::B(D)
- P(i);N_GUARD::S(H),XP(f)
- Tries
- Try
- B(D);
- Threat
- R(F)
- Vars
- R(a);N_GUARD,XB(D)::S(H)
- S(d);N_GUARD,XR(F)::QAR1(C)
- R(a);N_GUARD,S_CUTB(e)::S(B)
- B(j);N_GUARD::QAB1(C),XB(j)
- S(d);N_GUARD::QAR1(C),XS(d)
- R(a);S_CUTB(j)::QAB1(C)
- R(a);N_GUARD::S(H),XR(a)
- B(j);S_CUTR(a)::S(H)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- B(e);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XQ(C)::S(B)
- B(e);XQ(C)::B(D),XP(g)
- B(e);XB(G)::B(D),XP(g)
- S(d);N_GUARD::QAR1(C),XS(d)
- B(e);::B(D),XP(g)
- B(j);::S(H)
- S(h);::B(D),XP(g)
- Refutation
- S(h);
- Try
- Actual
- Q(C);
- Threat
- R(F)
- Vars
- S(d);N_GUARD,XR(F)::QAR1(C)
- R(a);N_GUARD,S_CUTB(e)::S(B)
- B(e);S_CUTR(a)::B(D),XP(g)
- B(j);N_GUARD::QAB1(C),XB(j)
- S(d);N_GUARD::QAR1(C),XS(d)
- R(a);S_CUTB(j)::QAB1(C)
- R(a);N_GUARD::S(H),XR(a)
- B(j);S_CUTR(a)::S(H)
- S(d);N_GUARD::R1(F),XS(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).