MESON Chess Problem Database
Problem Display
PID: 58774 (q2n2b1/1B5r/p1Np1BRp/5k1K/5P1p/pQ1p3r/6N1/4R1b1 w - - 0 1)
Tinebra, Vincenzo
Themes-64, 1979
#2
9 + 13
| 1099 | WCSC | 1979 |
| 5396 | World Chess Solving Championship 1977-1996 | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxd3#
- 1...Rh2
- 2.Qxd3#
- 1...Re3
- 2.Sd4#
- 1...Re7
- 2.Sxe7#
- 1...Rf7
- 2.Qd5#
- 1...Rh8
- 2.Se7#
- 1...Bh2
- 2.Sd4#
- 1...Bd4
- 2.Sxd4#
- 1...Bd5
- 2.Qxd5#
- 1...Bf7
- 2.Se7#
- 1...Se6
- 2.Qd5#
- 1...Sf7
- 2.Se7#
- 2.Qe6#
- 1...d2
- 2.Qxh3#
- 1...d5
- 2.Re5#
- 1...Rh1
- Tries
- 1.Sxh4+?
- 1...Kxf4
- 2.Rg4#
- 1...Rxh4+!
- 1...Kxf4
- 1.Bb2?
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...axb2!
- threat
- 1.Bc3?
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...Be3!
- threat
- 1.Bd4?
- threat
- 2.Rf6#
- 1...Bxd4
- 2.Sxd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bf7
- 2.Se7#
- 1...Re3!
- threat
- 1.Bxh4?
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...Rxh4+!
- threat
- 1.Be5?
- threat
- 2.Rf6#
- 1...dxe5
- 2.Rxe5#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Bf7
- 2.Se7#
- 1...Rf7!
- threat
- 1.Bg5?
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...hxg5+!
- threat
- 1.Be7?
- threat
- 2.Rf6#
- 1...Rxe7
- 2.Sxe7#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7!
- threat
- 1.Bg7?
- threat
- 2.Se7#
- 2.Rf6#
- 1...Qxb7
- 2.Rf6#
- 1...Sxc6
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Se7#
- 2.Qxd3#
- 1...Bd4
- 2.Sxd4#
- 2.Se7#
- 1...Bf7
- 2.Se7#
- 1...Rxg7!
- threat
- 1.Bxd8?
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Re7
- 2.Sxe7#
- 1...Rf7
- 2.Qd5#
- 2.Qe6#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...Qxd8!
- threat
- 1.Bh8?
- threat
- 2.Rf6#
- 1...Rxh8
- 2.Se7#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- 1...Rg7!
- threat
- 1.Bc8+?
- 1...Rd7
- 2.Se7#
- 1...Be6
- 2.Qd5#
- 1...Se6
- 2.Qd5#
- 1...Qxc8!
- 1...Rd7
- 1.Re3?
- threat
- 2.Sd4#
- 2.Qxd3#
- 1...Rxe3
- 2.Sd4#
- 1...Bxb3
- 2.Sd4#
- 1...Sxc6
- 2.Qxd3#
- 1...Qa7
- 2.Qxd3#
- 1...Re7
- 2.Sd4#
- 2.Sxe7#
- 1...Bc4
- 2.Sd4#
- 1...Bd5
- 2.Sd4#
- 2.Qxd5#
- 1...Se6
- 2.Qd5#
- 2.Qxd3#
- 1...d2
- 2.Sd4#
- 2.Qc2#
- 2.Qb1#
- 2.Qd3#
- 1...Bxe3!
- threat
- 1.Qxg8?
- threat
- 2.Qd5#
- 1...Sxc6
- 2.Qe6#
- 1...Re3
- 2.Sd4#
- 1...Re7
- 2.Sxe7#
- 1...Bd4
- 2.Sxd4#
- 1...Se6
- 2.Qxe6#
- 1...Sf7
- 2.Se7#
- 1...d5
- 2.Re5#
- 2.Qxd5#
- 1...Rf7!
- threat
- 1.Qb5+?
- 1...Bc5
- 2.Sd4#
- 1...Bd5
- 2.Qxd5#
- 1...d5
- 2.Re5#
- 1...axb5!
- 1...Bc5
- 1.Sxh4+?
- Keys
- 1.Ba1!
- threat
- 2.Rf6#
- 1...Re3
- 2.Sd4#
- 1...Be3
- 2.Qxd3#
- 1...Rf7
- 2.Qd5#
- 1...Bd4
- 2.Sxd4#
- 1...Bf7
- 2.Se7#
- threat
- 1.Ba1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(d);N_GUARD::QAB(C),XP(c)
- R(d);S_CUTB(a)::S(F)
- R(j);N_GUARD::S(F),XR(j)
- R(j);S_CUTB(m)::QAR2(C)
- R(j);N_GUARD::S(F)
- B(a);N_GUARD::S(F)
- B(a);N_GUARD::S(F),XB(a)
- B(m);N_GUARD::QAR2(C),XB(m)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- S(l);S_CUTB(m)::QAR2(C)
- P(c);OGATE::QAB(C),XR(d)
- P(h);N_GUARD::R1(A)
- Tries
- Try
- S(B);CHECK,P_SPINS(B),XP(e)
- Vars
- K(f);P-FLIGHT,XP(D)::R1(H)
- Refutation
- R(d);CHECK,XS(B)
- Try
- B(G);
- Threat
- R1(H)
- Vars
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- P(b);XB(G)
- Try
- B(G);
- Threat
- R1(H)
- Vars
- R(d);S_CUTB(a)::S(F)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- B(a);
- Try
- B(G);
- Threat
- R1(H)
- Vars
- B(a);XB(G)::S(F),XB(a)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- R(d);
- Try
- B(G);P_SPINB(G),XP(e)
- Threat
- R1(H)
- Vars
- R(d);N_PINB(G),S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- R(d);CHECK,XB(G)
- Try
- B(G);
- Threat
- R1(H)
- Vars
- P(h);OGATE,XB(G)::R1(A),XP(h)
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- R(j);
- Try
- B(G);
- Threat
- R1(H)
- Vars
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- P(i);CHECK,XB(G)
- Try
- B(G);
- Threat
- R1(H)
- Vars
- R(j);XB(G)::S(F),XR(j)
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- Refutation
- B(m);P_PINR(H)
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(k);XB(I)::R1(H)
- S(l);XS(F)::R1(H)
- R(d);S_CUTB(a)::S(F)
- B(m);P_PINR(H)::S(F)
- Refutation
- R(j);XB(G)
- Try
- B(G);XS(l)
- Threat
- R1(H)
- Vars
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);N_GUARD::S(F),XR(j)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- Q(k);XB(G)
- Try
- B(G);
- Threat
- R1(H)
- Vars
- R(j);N_GUARD,XB(G)::S(F)
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(F)
- Refutation
- R(j);
- Try
- B(I);CHECK
- Vars
- R(j);P_SPINR(j)::S(F)
- B(m);P_SPINB(m)::QAR2(C)
- S(l);P_SPINS(l)::QAR2(C)
- Refutation
- Q(k);XB(I)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- R(d);XR(A)::S(F)
- B(m);XQ(C)::S(F)
- S(l);XS(F)::QAB(C),XP(c)
- Q(k);::QAB(C),XP(c)
- B(m);::S(F)
- Refutation
- B(a);XR(A)
- Try
- Q(C);XB(m)
- Threat
- QAR2(C)
- Vars
- S(l);N_GUARD,XS(F)::QAB1(C)
- R(d);S_CUTB(a)::S(F)
- R(j);N_GUARD::S(F),XR(j)
- B(a);N_GUARD::S(F),XB(a)
- S(l);N_GUARD::QAB1(C),XS(l)
- S(l);S_CUTR(j)::S(F)
- Refutation
- R(j);
- Try
- Q(C);CHECK
- Vars
- B(a);P_SPINB(a)::S(F)
- B(m);N_GUARD,P_SPINB(m)::QAR2(C),XB(m)
- P(h);N_GUARD,P_SPINP(h)::R1(A)
- Refutation
- P(g);XQ(C)
- Try
- Actual
- B(G);
- Threat
- R1(H)
- Vars
- R(d);S_CUTB(a)::S(F)
- B(a);S_CUTR(d)::QAB(C),XP(c)
- R(j);S_CUTB(m)::QAR2(C)
- B(a);N_GUARD::S(F),XB(a)
- B(m);P_PINR(H),S_CUTR(j)::S(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).