MESON Chess Problem Database
Problem Display
PID: 204379 (3Nb2q/4r2p/3R1b2/2PpkBp1/1p6/2r1p1K1/3NRQ2/B7 w - - 0 1)
Marin y Llovet, Valentin
Comm., Centurini/Guidelli MT, 1925
#2
9 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Sc6#
- 1...Bh5
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bg6
- 2.Sc6#
- 1...Bf7
- 2.Sc6#
- 1...g4
- 2.Qf4#
- 1...Rd7
- Tries
- 1.Sc4+?
- 1...dxc4
- 2.Rxe3#
- 1...Kd4!
- 1...dxc4
- 1.Bxc3+?
- 1...d4
- 2.Sc4#
- 2.Bxd4#
- 2.Rxe3#
- 1...bxc3!
- 1...d4
- 1.Bb1?
- threat
- 2.Sf3#
- 2.Qxe3#
- 1...Bh5
- 2.Sc6#
- 2.Qxe3#
- 1...Bg6
- 2.Sf3#
- 2.Sc6#
- 1...d4
- 2.Sf3#
- 2.Qf5#
- 1...g4
- 2.Qxe3#
- 2.Qf4#
- 1...Kd4!
- threat
- 1.Bc2?
- threat
- 2.Sf3#
- 2.Qxe3#
- 1...Bh5
- 2.Sc6#
- 2.Qxe3#
- 1...Bg6
- 2.Sf3#
- 2.Sc6#
- 1...d4
- 2.Sf3#
- 2.Qf5#
- 1...g4
- 2.Qxe3#
- 2.Qf4#
- 1...Kd4!
- threat
- 1.Bd3?
- threat
- 2.Sf3#
- 2.Qxe3#
- 1...Bh5
- 2.Sc6#
- 2.Qxe3#
- 1...Bg6
- 2.Sf3#
- 2.Sc6#
- 1...d4
- 2.Sf3#
- 2.Qf5#
- 1...g4
- 2.Qxe3#
- 2.Qf4#
- 1...Kd4!
- threat
- 1.Bh3?
- threat
- 2.Qxe3#
- 1...Bg6
- 2.Sc6#
- 1...d4
- 2.Qf5#
- 1...g4
- 2.Qf4#
- 1...Kd4!
- threat
- 1.Bg4?
- threat
- 2.Qxe3#
- 1...Bg6
- 2.Sc6#
- 1...d4
- 2.Qf5#
- 1...Kd4!
- threat
- 1.Be6?
- threat
- 2.Rxd5#
- 2.Qxe3#
- 1...Kd4
- 2.Rxd5#
- 2.Qxe3#
- 1...Rd7
- 2.Sc6#
- 2.Qxe3#
- 1...Bg7
- 2.Rxd5#
- 1...Bc6
- 2.Sxc6#
- 2.Qxe3#
- 1...Bg6
- 2.Sc6#
- 2.Rxd5#
- 1...d4
- 2.Rd5#
- 2.Qf5#
- 1...Rxe6!
- threat
- 1.Re6+?
- 1...Kd4
- 2.Qxe3#
- 1...Rxe6!
- 1...Kd4
- 1.Qf3?
- threat
- 2.Rxd5#
- 2.Qxd5#
- 1...Kd4
- 2.Rxd5#
- 2.Qxd5#
- 1...Rd7
- 2.Sc6#
- 2.Qxd5#
- 1...Bg7
- 2.Qxd5#
- 1...Bc6
- 2.Sxc6#
- 1...Bf7
- 2.Sc6#
- 1...d4
- 2.Rd5#
- 2.Qe4#
- 2.Qd5#
- 1...Qg8!
- threat
- 1.Sc4+?
- Keys
- 1.Be4!
- threat
- 2.Rxd5#
- 1...exd2+
- 2.Bd3#
- 1...exf2+
- 2.Sf3#
- 1...Kd4
- 2.Rxd5#
- 1...dxe4
- 2.Sc4#
- 1...Qg8
- 2.Qxf6#
- 1...Rd7
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bf7
- 2.Sc6#
- 1...d4
- 2.Rd5#
- 2.Qf5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(h);S_CUTB(j)::S(I)
- B(j);N_GUARD::S(I)
- B(j);N_GUARD::S(I),XB(j)
- P(f);N_GUARD::QAB1(D)
- Tries
- Try
- S(B);CHECK
- Vars
- P(d);XS(B)::R(C),XP(b)
- Refutation
- K(e);S_FLIGHT
- Try
- B(A);CHECK,XR(a)
- Refutation
- P(c);XB(A)
- Try
- B(G);
- Threat
- DUALS(2)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- DUALS(2)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- DUALS(2)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- QAR2(D),XP(b)
- Vars
- B(j);N_GUARD::S(I)
- P(d);N_SPINR(a)::QAR1(D)
- P(f);N_GUARD::QAB1(D)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- QAR2(D),XP(b)
- Vars
- B(j);N_GUARD::S(I)
- P(d);N_SPINR(a)::QAR1(D)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- B(g);::R1(H),XP(d)
- Refutation
- R(h);XB(G)
- Try
- R(H);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(D),XP(b)
- Refutation
- R(h);XR(H)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- B(g);::QAR1(D),XP(d)
- B(j);N_GUARD::S(I),XB(j)
- B(j);N_GUARD::S(I)
- Refutation
- Q(k);
- Try
- Actual
- B(G);N_PINP(b)
- Threat
- R1(H),XP(d)
- Vars
- P(b);CHECK,OGATEB,XS(B)::R(C)+B(G)
- P(b);CHECK,XQ(D)::S(B)
- K(e);P_SPINP(b),S_FLIGHT::R1(H),XP(d)
- P(d);N_GUARD,SBLOCK,XB(G)::S(B)
- Q(k);N_GUARD::QAB1(D),XB(g)
- R(h);S_CUTB(j)::S(I)
- B(j);N_GUARD::S(I),XB(j)
- B(j);N_GUARD::S(I)
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).