MESON Chess Problem Database
Problem Display
PID: 158130 (2nRQ3/5p2/1nNb4/q3p3/4k1BR/p2pP3/b4P1B/K2N4 w - - 0 1)
Arguelles Ferrer, Antonio Fernandez
Sports Referee, 1930
#2
10 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qc3+
- 2.Sxc3#
- 1...Qa4
- 2.Sc3#
- 1...Qb5
- 2.Sc3#
- 1...Qd5
- 2.Sc3#
- 2.f3#
- 1...Qa6
- 2.Sc3#
- 1...Qa7
- 2.Sc3#
- 1...Qa8
- 2.Sc3#
- 1...Bd5
- 2.f3#
- 1...Bb4
- 2.Rd4#
- 2.f3#
- 1...Bc5
- 2.Qxe5#
- 2.f3#
- 1...Bc7
- 2.Rd4#
- 2.f3#
- 1...Be7
- 2.f3#
- 1...Bb8
- 2.Rd4#
- 2.f3#
- 1...Bf8
- 2.Rd4#
- 2.f3#
- 1...Sd5
- 2.f3#
- 1...Qc3+
- Tries
- 1.Sb4?
- threat
- 2.Sc3#
- 2.f3#
- 1...Bxb4
- 2.Rd4#
- 2.f3#
- 1...Qc5
- 2.f3#
- 1...Sa4
- 2.f3#
- 1...Sd5
- 2.f3#
- 1...Qxb4!
- threat
- 1.Sd4?
- threat
- 2.Bf3#
- 2.Be6#
- 1...Qc3+
- 2.Sxc3#
- 1...Kd5
- 2.Qc6#
- 1...Be6
- 2.Bf3#
- 2.Bxe6#
- 1...Be7
- 2.Bf3#
- 2.Bf5#
- 2.f3#
- 1...Sd5
- 2.Bf3#
- 2.Bf5#
- 2.f3#
- 1...f5
- 2.Bf3#
- 1...d2!
- threat
- 1.Se7?
- threat
- 2.Be2#
- 2.Bh5#
- 2.f3#
- 1...Qc3+
- 2.Sxc3#
- 1...Bxe7
- 2.f3#
- 1...d2
- 2.Be2#
- 1...Be6
- 2.f3#
- 1...Sd5
- 2.f3#
- 1...f5
- 2.f3#
- 1...Sxe7!
- threat
- 1.Rxd6?
- threat
- 2.Rd4#
- 2.f3#
- 1...Qc3+
- 2.Sxc3#
- 1...Qb4
- 2.Qxe5#
- 2.f3#
- 1...Qa4
- 2.Sc3#
- 2.Qxe5#
- 2.f3#
- 1...Qc5
- 2.f3#
- 1...Qd5
- 2.Sc3#
- 2.f3#
- 1...Bd5
- 2.Qxe5#
- 2.f3#
- 1...Be6
- 2.f3#
- 1...Sd5
- 2.Qxe5#
- 2.f3#
- 1...Se7
- 2.f3#
- 1...Sxd6!
- threat
- 1.Qxf7?
- threat
- 2.Be2#
- 2.Bf3#
- 2.Bh3#
- 2.Bh5#
- 2.Be6#
- 2.Bd7#
- 2.Bxc8#
- 2.Qf3#
- 2.f3#
- 1...Qc3+
- 2.Sxc3#
- 1...Be6
- 2.Bf3#
- 2.Bxe6#
- 2.Qf3#
- 1...d2
- 2.Be2#
- 1...Be7
- 2.Bf3#
- 2.Qg6#
- 2.Qf3#
- 2.Qf5#
- 2.Qh7#
- 2.f3#
- 1...Sd5
- 2.Bf3#
- 2.Qg6#
- 2.Qf3#
- 2.Qf5#
- 2.Qh7#
- 2.f3#
- 1...Sd7
- 2.Be2#
- 2.Bf3#
- 2.Bh3#
- 2.Bh5#
- 2.Be6#
- 2.Bxd7#
- 2.Qf3#
- 2.f3#
- 1...Sa7
- 2.Be2#
- 2.Bf3#
- 2.Bh3#
- 2.Bh5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 2.Qf3#
- 2.f3#
- 1...Se7
- 2.Be2#
- 2.Bf3#
- 2.Bh3#
- 2.Bh5#
- 2.Be6#
- 2.Bd7#
- 2.Bc8#
- 2.Qf3#
- 2.f3#
- 1...Bxf7!
- threat
- 1.Sb4?
- Keys
- 1.Sxe5!
- threat
- 2.Be6#
- 1...Qc3+
- 2.Sxc3#
- 1...Qxe5+
- 2.Sc3#
- 1...Bxe5+
- 2.Rd4#
- 1...Kd5
- 2.Qc6#
- 1...Be6
- 2.Bxe6#
- 1...Be7
- 2.Rd4#
- 2.f3#
- 1...Sd5
- 2.f3#
- 1...f5
- 2.Bf3#
- threat
- 1.Sxe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 7
- Sets
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- Q(e);N_GUARD::S(B)
- B(a);SBLOCK::P(C)
- B(h);N_SPINP(f)::P(C)
- S(g);SBLOCK::P(C)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(e);::P(C)
- S(g);::P(C)
- Refutation
- Q(e);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- K(d);N_SPINP(f),P_SPINB(h),S_FLIGHT::QAB1(J)
- P(i);::R(G)+B(F),DCHECK
- Refutation
- P(c);
- Try
- S(H);N_PINP(f)
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- B(h);XS(H)::P(C)
- P(c);::R(G)+B(F)
- B(a);::P(C)
- S(g);::P(C)
- P(i);::P(C)
- Refutation
- S(j);XS(H)
- Try
- R(I);XB(h)
- Threat
- DUALS(2)
- Vars
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- Q(e);::P(C)
- B(a);N_SPINP(f)::P(C)
- S(j);N_SPINP(f)::P(C)
- Refutation
- S(j);XR(I)
- Try
- Q(J);N_PINP(f),XP(i)
- Threat
- DUALS(9)
- Vars
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- P(c);::R(G)+B(F)
- Refutation
- B(a);XQ(J)
- Try
- Actual
- S(H);XP(f)
- Threat
- R(G)+B(F)
- Vars
- Q(e);CHECK,N_GUARD::S(B),XQ(e)
- Q(e);CHECK,N_GUARD,P_SPINQ(e),XS(H)::S(B)
- B(h);CHECK,OGATE,P_SPINB(h),XS(H)::R1(I)
- K(d);P_SPINB(h),S_FLIGHT::QAB1(J)
- B(a);::R(G)+B(F),XB(a)
- S(g);SBLOCK::P(C)
- P(i);SBLOCK::R(G)+B(F),DCHECK
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).