MESON Chess Problem Database
Problem Display
PID: 148325 (Q6r/1pp1R2B/1n4P1/3PN3/1r2k1P1/3RpNKn/5B2/5b2 w - - 0 1)
Forster, Klaus
1st HM., Die Schwalbe, 2012
#2
11 + 9
| 23 | Die Schwalbe | 2014 |
| 230 | Sachove umeni (Ceskoslovensky sach) | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rd4#
- 1...Rb2
- 2.Rd4#
- 1...Rb3
- 2.Rd4#
- 1...Rd4
- 2.Rxd4#
- 1...Rb5
- 2.Rd4#
- 1...Rxa8
- 2.g7#
- 1...Rb8
- 2.g7#
- 1...Rc8
- 2.g7#
- 1...Rd8
- 2.g7#
- 1...Re8
- 2.g7#
- 1...Rg8
- 2.g7#
- 1...Sg1
- 2.Sg5#
- 1...Sxf2
- 2.Sg5#
- 1...Sf4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc4
- 2.Rd4#
- 1...exf2
- 2.Sd2#
- 1...e2
- 2.Sd2#
- 1...Rb1
- Tries
- 1.Bg8?
- threat
- 2.Rxe3#
- 1...Bxd3
- 2.Sc4#
- 2.Sc6#
- 2.Sd7#
- 1...Sxf2
- 2.Sg5#
- 1...Sxd5
- 2.Bxd5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 1...Rxg8!
- threat
- 1.Qxb7?
- threat
- 2.Rxe3#
- 1...Bxd3
- 2.Sc4#
- 2.Sd7#
- 2.Sf7#
- 1...Sxf2
- 2.Sg5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 1...c6!
- threat
- 1.Qa2?
- threat
- 2.Rxe3#
- 1...Bxd3
- 2.Sc6#
- 2.Sd7#
- 2.Sf7#
- 1...Sxf2
- 2.Sg5#
- 1...Sxd5
- 2.Qxd5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 1...Rc4!
- threat
- 1.Qa3?
- threat
- 2.Sc4#
- 2.Sc6#
- 2.Sd7#
- 2.Sf7#
- 1...Rxh7
- 2.Sf7#
- 1...Bxd3
- 2.Qxd3#
- 1...Rd4
- 2.Rxd4#
- 1...Rb3
- 2.Rd4#
- 1...Rc4
- 2.Sxc4#
- 2.Sc6#
- 2.Sd7#
- 2.Sf7#
- 1...Re8
- 2.g7#
- 1...Sf4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sc4
- 2.Sxc4#
- 2.Rd4#
- 1...Sd7
- 2.Sxd7#
- 2.Qxb4#
- 1...Sc8
- 2.Qxb4#
- 1...c6
- 2.Sc4#
- 2.Sxc6#
- 2.Sd7#
- 2.Sf7#
- 1...Sxd5!
- threat
- 1.Qa5?
- threat
- 2.Rxe3#
- 1...Bxd3
- 2.Sc4#
- 2.Sc6#
- 2.Sd7#
- 2.Sf7#
- 1...Sxf2
- 2.Sg5#
- 1...Sxd5
- 2.Qxd5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Rb5
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 1...c5!
- threat
- 1.Qd8?
- threat
- 2.Rxe3#
- 1...Rxd8
- 2.g7#
- 1...Bxd3
- 2.Sc4#
- 2.Sc6#
- 2.Sf7#
- 1...Sxf2
- 2.Sg5#
- 1...Sxd5
- 2.Qxd5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- 1...Sd7!
- threat
- 1.Qxh8?
- threat
- 2.g7#
- 1...Rd4
- 2.Rxd4#
- 1...Sf4
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Bxd3!
- threat
- 1.Bg8?
- Keys
- 1.Qg8!
- threat
- 2.Rxe3#
- 1...Rxg8
- 2.g7#
- 1...Bxd3
- 2.Sc4#
- 2.Sc6#
- 2.Sd7#
- 1...Sxf2
- 2.Sg5#
- 1...Sxd5
- 2.Qxd5#
- 1...exf2
- 2.Sd2#
- 1...Rb3
- 2.Rd4#
- 1...Sc4
- 2.Rd4#
- 1...e2
- 2.Sd2#
- 2.Re3#
- threat
- 1.Qg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- R(d);N_GUARD::R1(B)
- R(d);N_GUARD::R1(B),XR(d)
- R(i);N_GUARD,XQ(K)::B(J)+P(H)
- R(i);N_GUARD::B(J)+P(H)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD,XB(A)::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(f);S_CUTR(d)::R1(B)
- P(b);N_GUARD,XB(A)::S(C)
- P(b);N_GUARD::S(C)
- Tries
- Try
- B(J);
- Threat
- R1(B),XP(b)
- Vars
- S(c);N_GUARD,XB(A)::S(C)
- S(f);OGATE,XP(F)::B(J),XS(f)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
- Refutation
- R(i);XB(J)
- Try
- Q(K);XP(g)
- Threat
- R1(B),XP(b)
- Vars
- S(c);N_GUARD,XB(A)::S(C)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
- Refutation
- P(h);
- Try
- Q(K);
- Threat
- R1(B),XP(b)
- Vars
- S(c);N_GUARD,XB(A)::S(C)
- S(f);OGATE,XP(F)::QAB1(K),XS(f)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
- Refutation
- R(d);
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- R(i);XB(J)::R(I)+S(G)
- B(a);OGATE,XR(B)::QAB1(K),XB(a)
- R(d);N_GUARD::R1(B),XR(d)
- R(d);N_GUARD::R1(B)
- R(i);N_GUARD::B(J)+P(H)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- S(f);N_GUARD::QAR(K),XR(d)
- Refutation
- S(f);XP(F)
- Try
- Q(K);
- Threat
- R1(B),XP(b)
- Vars
- S(c);N_GUARD,XB(A)::S(C)
- S(f);OGATE,XP(F)::QAB1(K),XS(f)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
- Refutation
- P(h);
- Try
- Q(K);
- Threat
- R1(B),XP(b)
- Vars
- R(i);N_GUARD,XQ(K)::B(J)+P(H)
- S(c);N_GUARD,XB(A)::S(C)
- S(f);OGATE,XP(F)::QAB1(K),XS(f)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
- Refutation
- S(f);
- Try
- Q(K);XR(i)
- Threat
- B(J)+P(H)
- Vars
- R(d);N_GUARD::R1(B),XR(d)
- S(c);N_GUARD::S(C)
- S(c);N_GUARD::S(C),XS(c)
- Refutation
- B(a);XR(B)
- Try
- Actual
- Q(K);
- Threat
- R1(B),XP(b)
- Vars
- R(i);N_GUARD,XQ(K)::B(J)+P(H)
- S(c);N_GUARD,XB(A)::S(C)
- S(f);OGATE,XP(F)::QAB1(K),XS(f)
- P(b);N_GUARD,XB(A)::S(C)
- R(d);N_GUARD::R1(B)
- S(f);S_CUTR(d)::R1(B)
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).