MESON Chess Problem Database
Problem Display
PID: 80264 (B7/1N2bK1p/2r1RP2/p2k3r/nP1N4/1P2PpB1/3P4/3Q3b w - - 0 1)
Gruber, Lutz-Dieter
Freie Presse, 1994
#2
12 + 9
| 6114 | Problemschach-Jahrbuch (1994) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Re5#
- 1...Rh3
- 2.Re5#
- 1...Rh4
- 2.Re5#
- 1...Re5
- 2.Rxe5#
- 1...Rh6
- 2.Re5#
- 1...Rc1
- 2.Sc5#
- 1...Rc2
- 2.Sc5#
- 1...Rc3
- 2.Sc5#
- 1...Rc4
- 2.Sc5#
- 1...Rc5
- 2.Sxc5#
- 1...Rd6
- 2.Sxd6#
- 1...Rxe6
- 2.Sd6#
- 1...f2
- 2.Qxh5#
- 1...Rh2
- Tries
- 1.Sc2?
- threat
- 2.e4#
- 1...Rxc2
- 2.Sc5#
- 1...Rxe6
- 2.Sd6#
- 1...Re5
- 2.Rxe5#
- 1...Rd6
- 2.Sxd6#
- 1...Rh4
- 2.Re5#
- 1...Rc4
- 2.Sc5#
- 1...Sc3
- 2.dxc3#
- 1...f2
- 2.Qxh5#
- 1...Sc5!
- threat
- 1.Se2?
- threat
- 2.Sf4#
- 2.e4#
- 1...Rxe6
- 2.Sd6#
- 1...Re5
- 2.Rxe5#
- 1...Rd6
- 2.Sxd6#
- 1...Rh4
- 2.Re5#
- 1...Rf5
- 2.e4#
- 1...Rc4
- 2.Sc5#
- 1...Bd6
- 2.e4#
- 1...Sc3
- 2.Sf4#
- 2.dxc3#
- 1...Sc5
- 2.Sc3#
- 2.Sf4#
- 1...f2
- 2.Sf4#
- 1...fxe2!
- threat
- 1.Sxf3?
- threat
- 2.e4#
- 1...Rxe6
- 2.Sd6#
- 1...Bxf3
- 2.Qxf3#
- 1...Re5
- 2.Rxe5#
- 1...Rd6
- 2.Sxd6#
- 1...Rh4
- 2.Re5#
- 1...Rc4
- 2.Sc5#
- 1...Sc3
- 2.dxc3#
- 1...Sc5!
- threat
- 1.Sf5?
- threat
- 2.Sxe7#
- 2.Re5#
- 2.e4#
- 1...Rxe6
- 2.Sbd6#
- 1...Bxb4
- 2.Re5#
- 2.e4#
- 1...Bxf6
- 2.e4#
- 1...Rd6
- 2.Sxe7#
- 2.Sbxd6#
- 1...Sc5
- 2.Sxe7#
- 2.Re5#
- 1...Rh4
- 2.Sxe7#
- 2.Re5#
- 1...Rc1
- 2.Sxe7#
- 2.Sc5#
- 2.e4#
- 1...Rc2
- 2.Sxe7#
- 2.Sc5#
- 2.e4#
- 1...Rc3
- 2.Sxe7#
- 2.Sc5#
- 2.dxc3#
- 2.e4#
- 1...Rc4
- 2.Sxe7#
- 2.Sc5#
- 1...Rc5
- 2.Sxe7#
- 2.Sxc5#
- 2.e4#
- 1...Ra6
- 2.Sxe7#
- 2.e4#
- 1...Rb6
- 2.Sxe7#
- 2.e4#
- 1...Rc7
- 2.e4#
- 1...Rc8
- 2.Sxe7#
- 2.e4#
- 1...Bc5
- 2.Re5#
- 2.e4#
- 1...Bd6
- 2.e4#
- 1...Bd8
- 2.Re5#
- 2.e4#
- 1...Bf8
- 2.Re5#
- 2.e4#
- 1...Sc3
- 2.Sxe7#
- 2.Re5#
- 2.dxc3#
- 1...f2
- 2.Sxe7#
- 2.Re5#
- 1...Rxf5!
- threat
- 1.Qc2?
- threat
- 2.Qe4#
- 2.Qxc6#
- 1...Rxc2
- 2.Sc5#
- 1...Rxe6
- 2.Sd6#
- 1...Sc5
- 2.Qc4#
- 1...Rh4
- 2.Re5#
- 2.Qf5#
- 2.Qxc6#
- 1...Re5
- 2.Rxe5#
- 2.Qxc6#
- 1...Rc3
- 2.Sc5#
- 2.Qe4#
- 1...Rc4
- 2.Sc5#
- 2.Qe4#
- 2.Qxc4#
- 2.bxc4#
- 1...Rc5
- 2.Sxc5#
- 2.Qe4#
- 1...Ra6
- 2.Qe4#
- 2.Qc4#
- 1...Rb6
- 2.Qe4#
- 2.Qc4#
- 1...Rd6
- 2.Sxd6#
- 2.Qe4#
- 2.Qc4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 2.Qc4#
- 1...f2
- 2.Qxc6#
- 1...Sc3!
- threat
- 1.Qxh1?
- threat
- 2.Qxf3#
- 2.Qxh5#
- 1...Rxh1
- 2.Re5#
- 1...Rxe6
- 2.Sd6#
- 1...Bxf6
- 2.Qxf3#
- 1...Re5
- 2.Rxe5#
- 1...Sc5
- 2.Qxh5#
- 1...Rh2
- 2.Re5#
- 2.Qxf3#
- 1...Rh3
- 2.Re5#
- 2.Qxf3#
- 1...Rh4
- 2.Re5#
- 1...Rg5
- 2.Qxf3#
- 1...Rh6
- 2.Re5#
- 2.Qxf3#
- 1...Bd6
- 2.Qxf3#
- 1...Sc3
- 2.Qxh5#
- 1...Rf5!
- threat
- 1.Sc2?
- Keys
- 1.Sb5!
- threat
- 2.e4#
- 1...Rxe6
- 2.S7d6#
- 1...Re5
- 2.Rxe5#
- 1...Rd6
- 2.S7xd6#
- 1...Sc5
- 2.Sc3#
- 1...Rh4
- 2.Re5#
- 1...Rc4
- 2.Sc5#
- 1...Sc3
- 2.dxc3#
- 1...f2
- 2.Qxh5#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::R1(H)
- R(f);N_GUARD::R1(H),XR(f)
- R(g);::B(L)+S(J)
- R(g);::B(L)+S(J),XR(g)
- R(g);XR(H)::B(L)+S(J)
- P(b);OGATE::QAR(A),XR(f)
- Tries
- Try
- S(G);
- Threat
- P(D)
- Vars
- R(g);XS(G)::B(L)+S(J)
- R(g);XR(H)::B(L)+S(J)
- R(f);N_GUARD::R1(H),XR(f)
- R(g);::B(L)+S(J),XR(g)
- R(f);N_GUARD::R1(H)
- R(g);::B(L)+S(J)
- S(c);OGATE::QAR(A)+P(B),XS(c)
- P(b);OGATE::QAR(A),XR(f)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(g);XR(H)::B(L)+S(J)
- R(f);N_GUARD::R1(H),XR(f)
- R(g);::B(L)+S(J),XR(g)
- R(f);N_GUARD::R1(H)
- R(f);P_PINP(I)::P(D)
- R(g);::B(L)+S(J)
- B(h);::P(D)
- P(b);::S(G)
- Refutation
- P(b);XS(G)
- Try
- S(G);XP(b)
- Threat
- P(D)
- Vars
- R(g);XR(H)::B(L)+S(J)
- B(a);OGATE,XS(G)::QAB(A),XB(a)
- R(f);N_GUARD::R1(H),XR(f)
- R(g);::B(L)+S(J),XR(g)
- R(f);N_GUARD::R1(H)
- R(g);::B(L)+S(J)
- S(c);OGATE::QAR(A)+P(B),XS(c)
- Refutation
- S(c);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- R(g);XR(H)::B(L)+S(J)
- B(h);XP(I)::P(D)
- R(g);::P(D)
- B(h);::P(D)
- Refutation
- R(f);P_PINP(I),XS(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(g);XQ(A)::B(L)+S(J)
- R(g);XR(H)::B(L)+S(J)
- S(c);S_CUTR(g)::QAB1(A)
- R(g);::QAB1(A)
- P(b);::QAB1(A),XR(g)
- Refutation
- S(c);
- Try
- Q(A);P_PINP(b),XB(a)
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD,N_SPINP(b),XQ(A)::R1(H)
- R(g);XR(H)::B(L)+S(J)
- B(h);XP(I)::QAB(A),XP(b)
- R(f);N_GUARD::R1(H),XR(f)
- S(c);::QAR(A),XR(f)
- R(f);N_GUARD::R1(H)
- R(f);::QAB(A),XP(b)
- B(h);::QAB(A),XP(b)
- Refutation
- R(f);P_PINP(I)
- Try
- Actual
- S(G);
- Threat
- P(D)
- Vars
- R(g);XR(H)::B(L)+S(J)
- R(f);N_GUARD::R1(H),XR(f)
- R(g);::B(L)+S(J),XR(g)
- S(c);N_GUARD,S_CUTR(g)::S(G)
- R(f);N_GUARD::R1(H)
- R(g);::B(L)+S(J)
- S(c);OGATE::QAR(A)+P(B),XS(c)
- P(b);OGATE::QAR(A),XR(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).