MESON Chess Problem Database
Problem Display
PID: 43241 (5n1b/2ppBQ2/8/r3k3/1N2BpKN/2PP2n1/8/5r2 w - - 0 1)
Nestorescu, Virgil
3rd Prize, Romanian Chess Federation, 1949
#2
8 + 9
| 4764 | Probleme si studii alese | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rfa1
- 2.Sf3#
- 1...Rb1
- 2.Sf3#
- 1...Rc1
- 2.Sf3#
- 1...Rd1
- 2.Sf3#
- 1...Re1
- 2.Sf3#
- 1...Rg1
- 2.Sf3#
- 1...Rh1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Raa1
- 2.Qd5#
- 1...Ra2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Ra4
- 2.Qd5#
- 1...Rd5
- 2.Qxd5#
- 1...Ra6
- 2.Qd5#
- 1...Ra7
- 2.Qd5#
- 1...Ra8
- 2.Qd5#
- 1...Bf6
- 2.Qxf6#
- 1...Sh1
- 2.Qf5#
- 1...Se2
- 2.Qf5#
- 1...Sxe4
- 2.Qf5#
- 2.d4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sh7
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...d5
- 2.Sc6#
- 1...d6
- 2.Sc6#
- 1...Rfa1
- Tries
- 1.Bh1?
- threat
- 2.d4#
- 1...Rxh1
- 2.Sf3#
- 1...Sxh1
- 2.Qf5#
- 1...Rd1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...f3!
- threat
- 1.Bg2?
- threat
- 2.d4#
- 1...Rd1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...f3!
- threat
- 1.Bf3?
- threat
- 2.d4#
- 1...Rxf3
- 2.Sxf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...Rd1!
- threat
- 1.Bd5?
- threat
- 2.d4#
- 1...Rxd5
- 2.Qxd5#
- 1...Rd1
- 2.Sf3#
- 2.Qxf4#
- 1...Se2
- 2.Qh5#
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5!
- threat
- 1.Bf5?
- threat
- 2.d4#
- 1...Sxf5
- 2.Qxf5#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...Se2!
- threat
- 1.Bc6?
- threat
- 2.d4#
- 1...dxc6
- 2.Sxc6#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...d5!
- threat
- 1.Bg6?
- threat
- 2.d4#
- 1...Sxg6
- 2.Sxg6#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...c5
- 2.Qd5#
- 1...Se6!
- threat
- 1.Bb7?
- threat
- 2.d4#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...d5
- 2.Sc6#
- 1...c6!
- threat
- 1.Ba8?
- threat
- 2.d4#
- 1...Rxa8
- 2.Qd5#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...c5
- 2.Qd5#
- 1...d5
- 2.Sc6#
- 1...c6!
- threat
- 1.Bf6+?
- 1...Kd6
- 2.Qe7#
- 1...Bxf6!
- 1...Kd6
- 1.Bxf8?
- threat
- 2.Sg6#
- 2.Qe7#
- 1...Bf6
- 2.Sg6#
- 1...Sf5
- 2.Sg6#
- 2.Qxf5#
- 1...Ra6!
- threat
- 1.Qe6+?
- 1...Sxe6
- 2.Sg6#
- 1...dxe6
- 2.Sc6#
- 1...Kxe6!
- 1...Sxe6
- 1.Bh1?
- Keys
- 1.Bh7!
- threat
- 2.d4#
- 1...Sxh7
- 2.Sg6#
- 1...Rd1
- 2.Sf3#
- 1...Rd5
- 2.Qxd5#
- 1...Se2
- 2.Qf5#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...c5
- 2.Qd5#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 19
- Sets
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::QAR1(H)
- R(d);N_GUARD::QAR1(H),XR(d)
- B(i);N_GUARD::QAB1(H),XB(i)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(f);S_CUTR(d)::QAR1(H)
- P(g);N_GUARD::S(C)
- Tries
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(a);N_GUARD,XB(D)::S(F)
- S(b);N_GUARD,XB(D)::QAR1(H)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(a);XB(D)::S(F),XR(a)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(d);OGATE,XB(D)::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- Refutation
- P(f);
- Try
- B(D);
- Threat
- P(B)
- Vars
- S(b);OGATE,XB(D)::QAR1(H),XS(b)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- Refutation
- S(b);
- Try
- B(D);
- Threat
- P(B)
- Vars
- P(g);XB(D)::S(C),XP(g)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- Refutation
- P(g);
- Try
- B(D);
- Threat
- P(B)
- Vars
- S(h);XB(D)::S(F),XS(h)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- P(f);S_CUTR(d)::QAR1(H)
- Refutation
- S(h);
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- P(g);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(D);
- Threat
- P(B)
- Vars
- R(d);N_GUARD,XB(D)::QAR1(H)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- P(f);S_CUTR(d)::QAR1(H)
- P(g);N_GUARD::S(C)
- Refutation
- P(f);
- Try
- B(G);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(H)
- Refutation
- B(i);XB(G)
- Try
- B(G);XS(h)
- Threat
- DUALS(2)
- Vars
- B(i);::S(F)
- Refutation
- R(d);
- Try
- Q(H);CHECK
- Vars
- S(h);SBLOCK,XQ(H)::S(F)
- P(g);SBLOCK,XQ(H)::S(C)
- Refutation
- K(e);P-FLIGHT,XQ(H)
- Try
- Actual
- B(D);
- Threat
- P(B)
- Vars
- S(h);N_GUARD,XB(D)::S(F)
- R(a);N_GUARD::S(F)
- R(d);N_GUARD::QAR1(H),XR(d)
- S(b);N_GUARD::QAR1(H)
- S(b);N_GUARD::QAR1(H),XS(b)
- S(h);N_GUARD::S(F)
- S(h);N_GUARD::S(F),XS(h)
- P(f);S_CUTR(d)::QAR1(H)
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).