MESON Chess Problem Database
Problem Display
PID: 134407 (8/2pQN2p/1p1Pp1br/1n2k1P1/q5Rp/1pPB4/rNpB4/n1K5 w - - 0 1)
Burger, Robert Eugene
1/2 Prize, Sunningdale TATC Ty., 2010
#2
10 + 14
| 56 | The Problemist | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Bf4#
- 1...Qc4
- 2.Sxc4#
- 1...Qf4
- 2.Bxf4#
- 1...Qa5
- 2.Sc4#
- 2.Bf4#
- 1...Qa6
- 2.Sc4#
- 2.Bf4#
- 1...Qa7
- 2.Sc4#
- 2.Bf4#
- 1...Qa8
- 2.Sc4#
- 2.Bf4#
- 1...Bxd3
- 2.Sxd3#
- 1...Be4
- 2.Bf4#
- 1...Sd4
- 2.Bf4#
- 1...Qa3
- Tries
- 1.Bf5?
- threat
- 2.Sd3#
- 2.Qxe6#
- 1...Rxb2
- 2.Qxe6#
- 1...exf5
- 2.Sd3#
- 1...Qa3
- 2.Bf4#
- 2.Re4#
- 2.Qxe6#
- 1...Qc4
- 2.Sxc4#
- 1...Qd4
- 2.Qxe6#
- 1...Qe4
- 2.Rxe4#
- 2.Qxe6#
- 1...Bh5
- 2.Sd3#
- 1...Bf7
- 2.Sd3#
- 1...Be8
- 2.Sd3#
- 1...Sd4
- 2.Sd3#
- 2.Bf4#
- 2.Re4#
- 1...Bxf5!
- threat
- 1.Rxa4?
- threat
- 2.Sc4#
- 2.Bf4#
- 1...Rxb2
- 2.Bf4#
- 1...Bxd3
- 2.Sxd3#
- 2.Bf4#
- 1...Sxc3
- 2.Bxc3#
- 2.Bf4#
- 1...Sxd6
- 2.Bf4#
- 1...Be4
- 2.Sc4#
- 2.Rxe4#
- 1...Sa3
- 2.Bf4#
- 1...Sd4
- 2.Sc4#
- 2.cxd4#
- 1...Rxa4!
- threat
- 1.Rb4?
- threat
- 2.Sc4#
- 2.Bf4#
- 1...Rxb2
- 2.Bf4#
- 1...Bxd3
- 2.Sxd3#
- 2.Bf4#
- 1...Sxc3
- 2.Bxc3#
- 2.Bf4#
- 1...Sxd6
- 2.Bf4#
- 1...Qa3
- 2.Bf4#
- 1...Be4
- 2.Sc4#
- 1...Sa3
- 2.Bf4#
- 1...Sd4
- 2.Sc4#
- 2.cxd4#
- 1...Qxb4!
- threat
- 1.Rc4?
- threat
- 2.Bf4#
- 1...Qxc4
- 2.Sxc4#
- 1...Sd4
- 2.cxd4#
- 1...Be4!
- threat
- 1.Qxb5+?
- 1...Kxd6
- 2.Sc8#
- 1...Qxb5
- 2.Bf4#
- 1...c5!
- 1...Kxd6
- 1.c4?
- threat
- 2.Sc6#
- 1...Qxc4
- 2.Sxc4#
- 1...Bxd3
- 2.Sxd3#
- 1...Sxd6
- 2.Bc3#
- 1...Be4
- 2.Rxe4#
- 1...Sa3
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sd4
- 2.Bf4#
- 1...Sa7
- 2.Bc3#
- 1...c6
- 2.Sxc6#
- 1...Qa8!
- threat
- 1.Bf5?
- Keys
- 1.Bc4!
- threat
- 2.Qxe6#
- 1...Qxc4
- 2.Sxc4#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Bf4#
- 1...Bf5
- 2.Sc6#
- 1...Bh5
- 2.Sd3#
- 1...Bf7
- 2.Sd3#
- 1...Be8
- 2.Sd3#
- 1...Sd4
- 2.cxd4#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- Q(e);N_GUARD,P_PINS(B)::B(C)
- Q(e);N_GUARD::S(B),XQ(e)
- Q(e);N_GUARD,P_PINB(C)::B(C),XQ(e)
- B(k);XB(E)::S(B),XB(k)
- B(k);S_CUTQ(e)::B(C)
- S(g);S_CUTQ(e)::B(C)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::QAR1(I),XP(j)
- P(j);XB(E)::S(B)
- Q(e);N_GUARD::S(B),XQ(e)
- Q(e);::QAR1(I),XP(j)
- B(k);::S(B)
- Refutation
- B(k);XB(E)
- Try
- R(F);XQ(e)
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::B(C)
- S(g);XP(H)::B(C)
- S(g);::B(C)
- Refutation
- R(b);XR(F)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::B(C)
- S(g);XP(H)::B(C)
- Q(e);P_PINS(B)::B(C)
- B(k);::S(B)
- S(g);::B(C)
- Refutation
- Q(e);XR(F)
- Try
- R(F);
- Threat
- B(C)
- Vars
- Q(e);XR(F)::S(B),XQ(e)
- S(g);OGATE::P(D),XS(g)
- Refutation
- B(k);
- Try
- Q(I);CHECK,XS(g)
- Vars
- K(h);S_FLIGHT,XP(H)::S(J)
- Q(e);XQ(I)::B(C)
- Refutation
- P(m);P_SPINP(m)
- Try
- P(D);
- Threat
- S(J)
- Vars
- Q(e);XP(D)::S(B),XQ(e)
- B(k);XB(E)::S(B),XB(k)
- S(g);N_GUARD,XP(H)::B(C)
- B(k);N_GUARD::R1(F),XB(k)
- S(g);N_GUARD::B(C)
- S(g);N_GUARD::B(C),XS(g)
- S(g);SBLOCK::B(C)
- P(m);::S(J),XP(m)
- Refutation
- Q(e);
- Try
- Actual
- B(E);
- Threat
- QAR1(I),XP(j)
- Vars
- Q(e);XB(E)::S(B),XQ(e)
- B(k);N_GUARD::S(B),XB(k)
- B(k);SBLOCK::B(C)
- B(k);SBLOCK::S(J)
- B(k);N_GUARD::S(B)
- S(g);OGATE::P(D),XS(g)
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).