MESON Chess Problem Database
Problem Display
PID: 231261 (7Q/4R3/8/2prr3/b1pkP3/N3R3/1P6/n5BK w - - 0 1)
Novejarque Iranzo, Francisco
L'Italia Scacchistica, 1927
#2
8 + 7
| 6490 | yacpdb | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Qxe5#
- 1...Rd7
- 2.Qxe5#
- 1...Rd8
- 2.Qxe5#
- 1...Bd1
- 2.Sb5#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 1...Sb3
- 2.Sc2#
- 1...c3
- 2.bxc3#
- 1...Rd6
- Tries
- 1.Rxe5?
- threat
- 2.Rb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rxd5#
- 1...Rd6
- 2.Rb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rd5#
- 2.Re6#
- 1...Rd7
- 2.Rb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rd5#
- 2.Re7#
- 1...Rd8
- 2.Rb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rd5#
- 2.Re8#
- 1...Bb3
- 2.Sb5#
- 2.Rxb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rxd5#
- 1...Sc2
- 2.Rxd5#
- 1...Sb3
- 2.Sc2#
- 2.Rxb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rxd5#
- 1...c3
- 2.Rxc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.Rxd5#
- 2.bxc3#
- 1...Rxe5!
- threat
- 1.Qh4?
- threat
- 2.Rb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Rxe7
- 2.e5#
- 1...Re6
- 2.e5#
- 1...Rf5
- 2.Rf3#
- 2.exf5#
- 1...Rg5
- 2.Rg3#
- 1...Bb3
- 2.Sb5#
- 2.Rxb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...Sb3
- 2.Sc2#
- 2.Rxb3#
- 2.Rc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 1...c3
- 2.Rxc3#
- 2.Rf3#
- 2.Rg3#
- 2.Rh3#
- 2.bxc3#
- 1...Sc2!
- threat
- 1.Rxe5?
- Keys
- 1.Qh5!
- 1...Rxh5+
- 2.Rh3#
- 1...Rxe4
- 2.R7xe4#
- 1...Rxe7
- 2.Qxd5#
- 1...Bc6
- 2.Qd1#
- 1...Rd6
- 2.Qxe5#
- 1...Rd7
- 2.Qxe5#
- 1...Rd8
- 2.Qxe5#
- 1...Rf5
- 2.Rf3#
- 1...Rg5
- 2.Rg3#
- 1...Re6
- 2.Qxd5#
- 1...Bd1
- 2.Sb5#
- 2.Qxd1#
- 1...Bc2
- 2.Sb5#
- 1...Bb3
- 2.Sb5#
- 1...Bb5
- 2.Sxb5#
- 2.Qd1#
- 1...Bd7
- 2.Qd1#
- 1...Be8
- 2.Qd1#
- 1...Sc2
- 2.Qd1#
- 1...Sb3
- 2.Sc2#
- 1...c3
- 2.bxc3#
- 1...Rxh5+
- 1.Qh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- R(f);N_GUARD::QAB1(H),XR(g)
- B(b);N_GUARD::S(D)
- B(b);N_GUARD::S(D),XB(b)
- S(a);N_GUARD,S_CUTB(b)::S(D)
- P(c);OGATE::P(C),XP(c)
- Tries
- Try
- R(G);XR(g)
- Threat
- DUALS(6)
- Vars
- S(a);::QAB(H)+R(G),DCHECK,XR(f)
- Refutation
- R(f);P_SPINR(f),XR(G)
- Try
- Q(H);N_PINR(g)
- Threat
- DUALS(5)
- Vars
- R(g);OGATE,XR(G)::QAR(H)+P(F)
- R(g);OGATE::QAR(H)+P(F)
- R(g);::B(A)+R(E)
- Refutation
- S(a);
- Try
- Actual
- Q(H);N_PINR(g)
- Vars
- R(g);CHECK,XQ(H)::B(A)+R(E)
- R(g);OGATE,XP(F)::R1(G),XR(g)
- R(g);OGATE,XR(G)::QAR1(H),XR(f)
- B(b);N_GUARD::QAR(H)
- R(f);N_GUARD::QAB1(H),XR(g)
- R(g);::B(A)+R(E)
- R(g);OGATE::QAR1(H),XR(f)
- B(b);N_GUARD::S(D)
- S(a);S_CUTB(b)::QAR(H)
- S(a);N_GUARD,S_CUTB(b)::S(D)
- P(c);OGATE::P(C),XP(c)
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).