MESON Chess Problem Database
Problem Display
PID: 231358 (8/1N1pN3/p2r4/R3p1Q1/1k1nR1K1/2pP2P1/P7/8 w - - 0 1)
Paros, Gyorgy
2nd HM., Magyar Munkas Sakkor, 1927
#2
9 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6
- 2.Sd5#
- 1...c2
- 2.Qd2#
- 1...Rd5
- Tries
- 1.Kh3?
- 1...c2
- 2.Qd2#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6+!
- 1...c2
- 1.Kh4?
- 1...c2
- 2.Qd2#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6+!
- 1...c2
- 1.Kh5?
- 1...c2
- 2.Qd2#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6+!
- 1...c2
- 1.Sxd6?
- 1...c2
- 2.Qd2#
- 1...Kxa5!
- 1...c2
- 1.Rxd4+?
- 1...exd4
- 2.Qc5#
- 1...Rxd4+!
- 1...exd4
- 1.Rf4?
- 1...exf4
- 2.Qc5#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6
- 2.Sd5#
- 1...e4
- 2.Qc5#
- 1...c2!
- 1...exf4
- 1.Qc1?
- threat
- 2.Qa3#
- 2.Qb1#
- 1...c2
- 2.Qb2#
- 2.Qd2#
- 2.Qa3#
- 2.Qe1#
- 1...Rg6+!
- threat
- 1.Qe3?
- 1...c2
- 2.Qd2#
- 2.Qe1#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rh6
- 2.Sd5#
- 1...Rg6+!
- 1...c2
- 1.Qf6?
- threat
- 2.Qxd6#
- 1...Rxf6
- 2.Sd5#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 2.Qxb6#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...c2!
- threat
- 1.Qh6?
- threat
- 2.Qxd6#
- 1...Rxh6
- 2.Sd5#
- 1...c2
- 2.Qd2#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 2.Qxb6#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6+!
- threat
- 1.Qxe5?
- threat
- 2.Qxd6#
- 2.Qc5#
- 1...c2
- 2.Qc5#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc5#
- 1...Rf6
- 2.Sd5#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc5#
- 1...Rh6
- 2.Sd5#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc5#
- 1...Rg6+!
- threat
- 1.Qg8?
- threat
- 2.Qb3#
- 2.Qc4#
- 2.a3#
- 1...c2
- 2.Qb3#
- 2.Qc4#
- 1...Rd5
- 2.Sxd5#
- 1...Rc6
- 2.Sd5#
- 2.Qb3#
- 2.a3#
- 1...Re6
- 2.Sd5#
- 1...Rg6+!
- threat
- 1.Kh3?
- Keys
- 1.Re1!
- 1...c2
- 2.Qd2#
- 1...Rd5
- 2.Sxd5#
- 1...Rb6
- 2.Sd5#
- 1...Rc6
- 2.Sd5#
- 1...Re6
- 2.Sd5#
- 1...Rf6
- 2.Sd5#
- 1...Rg6
- 2.Sd5#
- 1...Rh6
- 2.Sd5#
- 1...Sc2
- 2.Rb1#
- 1...Se2
- 2.Rb1#
- 1...Sb3
- 2.a3#
- 1...Sf3
- 2.Rb1#
- 1...Sb5
- 2.Rb1#
- 1...Sf5
- 2.Rb1#
- 1...Sc6
- 2.Rb1#
- 1...Se6
- 2.Rb1#
- 1...e4
- 2.Qc5#
- 1...c2
- 1.Re1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD,P_PINQ(G)::S(I)
- P(a);OGATEB::QAB(G)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- P(a);OGATEB::QAB(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- K(E);P-FLIGHT
- Vars
- P(a);OGATEB::QAB(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- K(E);S_FLIGHT
- Vars
- P(a);OGATEB::QAB(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- S(H);XR(f)
- Vars
- P(a);OGATEB::QAB(G)
- Refutation
- K(b);N_SPINS(c),P_SPINP(d),S_FLIGHT,XR(F)
- Try
- R(D);CHECK,XS(c)
- Vars
- P(d);OGATE,XR(D)::QAB1(G)
- Refutation
- R(f);CHECK,XR(D)
- Try
- R(D);
- Vars
- P(d);N_SPINS(c),OGATE,XR(D)::QAB1(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD,P_PINQ(G)::S(I)
- P(d);N_SPINS(c),OGATE::QAB1(G)
- Refutation
- P(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Vars
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Threat
- QAB(G),XR(f)
- Vars
- R(f);N_GUARD,XQ(G)::S(I)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- Q(G);
- Threat
- QAB(G),XR(f)
- Vars
- R(f);N_GUARD,XQ(G)::S(I)
- P(a);OGATEB::QAB(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- Q(G);XP(d)
- Threat
- DUALS(2)
- Vars
- P(a);::QAB1(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Threat
- DUALS(3)
- Vars
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- Refutation
- R(f);CHECK
- Try
- Actual
- R(D);N_PINS(c)
- Vars
- P(a);OGATEB::QAB(G)
- R(f);N_GUARD::S(I),XR(f)
- R(f);N_GUARD::S(I)
- R(f);N_GUARD,P_PINQ(G)::S(I)
- S(c);N_GUARD::R(D)
- S(c);SBLOCK::P(A)
- P(d);OGATE::QAB1(G)
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).