MESON Chess Problem Database
Problem Display
PID: 139488 (8/3RQ2p/3n3r/3PNP2/K2k1P1N/2bp4/5PB1/2R3B1 w - - 0 1)
Ellerman, Arnoldo
Comm., Els Escacs a Catalunya, 1935
#2
12 + 6
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Sc6#
- 1...Be1
- 2.Sc6#
- 1...Bb2
- 2.Sc6#
- 1...Bd2
- 2.Sc6#
- 1...Bb4
- 2.Sc6#
- 1...Ba5
- 2.Sc6#
- 1...Sc4
- 2.Sef3#
- 1...Se4
- 2.Shf3#
- 1...Sb5
- 2.f3#
- 1...Sxf5
- 2.Sxf5#
- 1...Sb7
- 2.f3#
- 1...Sf7
- 2.f3#
- 1...Sc8
- 2.f3#
- 1...Se8
- 2.f3#
- 1...Ba1
- Tries
- 1.Rxd6?
- threat
- 2.Qa7#
- 2.f3#
- 1...Kc5
- 2.f3#
- 1...Be1
- 2.Sef3#
- 2.Sc6#
- 2.Rc4#
- 2.Qa7#
- 1...Bd2
- 2.Sef3#
- 2.Sc6#
- 2.Rc4#
- 2.Qa7#
- 1...Bb4
- 2.Sef3#
- 2.Sc6#
- 2.Rc4#
- 2.f3#
- 1...Ba5
- 2.Sef3#
- 2.Sc6#
- 2.Rc4#
- 2.f3#
- 1...Rxd6!
- threat
- 1.Qxd6?
- threat
- 2.f3#
- 1...Be1
- 2.Sc6#
- 2.Rc4#
- 2.Qc5#
- 1...Bd2
- 2.Sc6#
- 2.Rc4#
- 2.Qc5#
- 1...Rxd6!
- threat
- 1.Rxd6?
- Keys
- 1.Rd8!
- threat
- 2.Qa7#
- 1...Kc5
- 2.Qa7#
- 1...Sxf5
- 2.Sxf5#
- 1...Bb4
- 2.Sc6#
- 1...Ba5
- 2.Sc6#
- 1...Sc4
- 2.Sef3#
- 1...Se4
- 2.Shf3#
- 1...Sb5
- 2.f3#
- 1...Sb7
- 2.f3#
- 1...Sf7
- 2.f3#
- 1...Sc8
- 2.f3#
- 1...Se8
- 2.f3#
- threat
- 1.Rd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- B(a);::S(I)
- S(d);SBLOCK::S(I)
- S(d);SBLOCK::S(G)
- S(d);::B(B)+P(C)
- S(d);XP(J)::S(G),XS(d)
- Tries
- Try
- R(K);XS(d)
- Threat
- DUALS(2)
- Vars
- K(c);P_SPINB(a),S_FLIGHT::B(B)+P(C)
- Refutation
- R(e);XR(K)
- Try
- Q(L);XS(d)
- Threat
- B(B)+P(C)
- Refutation
- R(e);XQ(L)
- Try
- Actual
- R(K);
- Threat
- QAB(L)
- Vars
- K(c);P_SPINB(a),P_SPINS(d),S_FLIGHT::QAB(L)
- S(d);XP(J)::S(G),XS(d)
- B(a);::S(I)
- S(d);SBLOCK::S(I)
- S(d);SBLOCK::S(G)
- S(d);::B(B)+P(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).