MESON Chess Problem Database
Problem Display
PID: 194118 (2b2rBb/1n6/N2R4/2pQ4/2pqP3/3k1P1p/2r1NP2/4BK2 w - - 0 1)
Novejarque Iranzo, Angel
Comm., Spanish National Ty., 1917
#2
10 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qxc4#
- 1...Rb2
- 2.Qxc4#
- 1...Rd2
- 2.Qxc4#
- 1...Rxe2
- 2.Qxc4#
- 1...Rf4
- 2.Sxf4#
- 1...Rd8
- 2.Sf4#
- 1...Re8
- 2.Sf4#
- 1...Rxg8
- 2.Sf4#
- 1...Bf5
- 2.Sf4#
- 1...Bf6
- 2.Sf4#
- 1...Sa5
- 2.Sxc5#
- 1...Sxd6
- 2.Sxc5#
- 1...Sd8
- 2.Sxc5#
- 1...c3
- 2.Qc4#
- 1...Ra2
- Tries
- 1.Qxd4+?
- 1...cxd4
- 2.Sb4#
- 1...Bxd4!
- 1...cxd4
- 1.Qxc5?
- threat
- 2.Sb4#
- 1...Rb2
- 2.Qxc4#
- 1...Rxf3!
- threat
- 1.Qxd4+?
- Keys
- 1.e5!
- threat
- 2.Qe4#
- 1...Qxd5
- 2.Rxd5#
- 1...Rxe2
- 2.Qxc4#
- 1...Rxf3
- 2.Qxf3#
- 1...Sxd6
- 2.Sxc5#
- 1...Rf4
- 2.Sxf4#
- 1...Bf5
- 2.Sf4#
- threat
- 1.e5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::QAB1(G),XP(d)
- R(a);N_GUARD,XS(C)::QAB1(G),XP(d)
- R(i);N_GUARD::S(C),XR(i)
- R(i);N_GUARD::S(C)
- R(i);N_GUARD,XB(J)::S(C)
- B(h);S_CUTR(i)::S(C)
- B(j);S_CUTR(i)::S(C)
- S(g);N_GUARD::S(H),XP(f)
- S(g);N_GUARD,XR(I)::S(H),XP(f)
- P(d);S_CUTR(a)::QAB1(G)
- Tries
- Try
- Q(G);CHECK,XQ(e)
- Vars
- P(f);P_SPINP(f),XQ(G)::S(H)
- Refutation
- B(j);P_SPINB(j),XQ(G)
- Try
- Q(G);XP(f)
- Threat
- S(H)
- Vars
- R(a);N_GUARD::QAB1(G),XP(d)
- Refutation
- R(i);P_PINP(D),XP(E)
- Try
- Actual
- P(F);
- Threat
- QAB1(G)
- Vars
- Q(e);OGATE,XQ(G)::R(I),XQ(e)
- R(a);N_GUARD,XS(C)::QAB1(G),XP(d)
- R(i);OGATE,P_PINP(D),XP(E)::QAR2(G),XR(i)
- S(g);N_GUARD,XR(I)::S(H),XP(f)
- R(i);N_GUARD::S(C),XR(i)
- B(h);S_CUTR(i)::S(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).