MESON Chess Problem Database
Problem Display
PID: 39613 (6K1/2p5/3pN3/5RB1/Q1rrk1P1/R7/b1P2b2/1N1B2n1 w - - 0 1)
Burger, Robert Eugene
5th Place, Match: Macedonia - USA, 2001
#2
10 + 8
| 145 | StrateGems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Bxc2#
- 1...Rc3
- 2.Sd2#
- 2.Sxc3#
- 1...Rxa4
- 2.Sc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc5
- 2.Sd2#
- 1...Rc6
- 2.Sd2#
- 1...Rxd1
- 2.Sc3#
- 1...Rd2
- 2.Sxd2#
- 2.Sc3#
- 1...Rd3
- 2.cxd3#
- 1...Rd5
- 2.Sc3#
- 1...Be1
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bg3
- 2.Re3#
- 1...Bh4
- 2.Re3#
- 1...Sf3
- 2.Bxf3#
- 1...Sh3
- 2.Bf3#
- 1...Rxc2
- Tries
- 1.Sc5+?
- 1...dxc5
- 2.Qe8#
- 1...Rxc5+!
- 1...dxc5
- 1.Bf4?
- threat
- 2.Sg5#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxa4
- 2.Sc3#
- 1...Rc3
- 2.Sd2#
- 2.Sxc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc5
- 2.Sd2#
- 1...Rc6
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 2.Sc3#
- 1...Rd3
- 2.cxd3#
- 1...Rd5
- 2.Sc3#
- 1...Bh4
- 2.Re3#
- 1...Sf3
- 2.Bxf3#
- 1...Sh3
- 2.Bf3#
- 1...Rxd1!
- threat
- 1.Bh6?
- threat
- 2.Sg5#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxa4
- 2.Sc3#
- 1...Rxd1
- 2.Sc3#
- 1...Rc3
- 2.Sd2#
- 2.Sxc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc5
- 2.Sd2#
- 1...Rc6
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 2.Sc3#
- 1...Rd3
- 2.cxd3#
- 1...Rd5
- 2.Sc3#
- 1...Be3
- 2.Rxe3#
- 1...Bh4
- 2.Re3#
- 1...Sf3
- 2.Bxf3#
- 1...Sh3
- 2.Bf3#
- 1...Bb3!
- threat
- 1.Qxc4?
- threat
- 2.Sd2#
- 2.Sc3#
- 1...Rxc4
- 2.Sd2#
- 1...Bxc4
- 2.Sc3#
- 1...Be1
- 2.Re3#
- 2.Qxd4#
- 1...Be3
- 2.Sc3#
- 2.Rxe3#
- 1...Se2
- 2.Sd2#
- 1...Sf3
- 2.Sc3#
- 2.Bxf3#
- 1...Bxb1!
- threat
- 1.Sc5+?
- Keys
- 1.Bc1!
- threat
- 2.Sg5#
- 1...Rxc2
- 2.Bxc2#
- 1...Rxa4
- 2.Sc3#
- 1...Rxd1
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc5
- 2.Sd2#
- 1...Rc6
- 2.Sd2#
- 1...Rd2
- 2.Sxd2#
- 1...Rd3
- 2.cxd3#
- 1...Rd5
- 2.Sc3#
- 1...Be3
- 2.Rxe3#
- 1...Bh4
- 2.Re3#
- 1...Sf3
- 2.Bxf3#
- 1...Sh3
- 2.Bf3#
- threat
- 1.Bc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(d);OGATE,P_PINS(I),P_SPINR(e),XP(C)::B(B),XR(d)
- R(d);N_GUARD,P_PINS(I),XQ(E)::S(A)
- R(d);N_GUARD,P_PINS(I)::S(A)
- R(d);P_PINS(I),P_SPINR(e)::S(A)
- R(e);P_SPINR(d),XB(B)::S(A)
- R(e);OGATE,P_SPINR(d)::P(C),XR(e)
- R(e);P_SPINR(d)::S(A)
- B(c);N_GUARD::R1(D)
- B(c);N_GUARD::R1(D),XB(c)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- Tries
- Try
- S(I);CHECK
- Vars
- P(g);XS(I)::QAR(E)
- Refutation
- R(d);CHECK,P_SPINR(e),XS(I)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(d);OGATE,P_PINS(I),P_SPINR(e),XP(C)::B(B),XR(d)
- R(d);N_GUARD,P_PINS(I),XQ(E)::S(A)
- R(d);N_GUARD,P_PINS(I)::S(A)
- R(d);P_PINS(I),P_SPINR(e)::S(A)
- R(e);OGATE,P_SPINR(d)::P(C),XR(e)
- R(e);P_SPINR(d)::S(A)
- B(c);N_GUARD::R1(D)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- Refutation
- R(e);P_SPINR(d),XB(B)
- Try
- B(H);
- Threat
- S(I)
- Vars
- R(d);OGATE,P_PINS(I),P_SPINR(e),XP(C)::B(B),XR(d)
- R(d);N_GUARD,P_PINS(I),XQ(E)::S(A)
- R(e);P_SPINR(d),XB(B)::S(A)
- R(d);N_GUARD,P_PINS(I)::S(A)
- R(d);P_PINS(I),P_SPINR(e)::S(A)
- R(e);OGATE,P_SPINR(d)::P(C),XR(e)
- R(e);P_SPINR(d)::S(A)
- B(c);N_GUARD::R1(D),XB(c)
- B(c);N_GUARD::R1(D)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
- Refutation
- B(b);
- Try
- Q(E);P_PINR(e),XR(d)
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINR(e),XQ(E)::S(A)
- B(b);N_SPINR(e),P_PINS(I),XQ(E)::S(A)
- S(a);::S(A)
- Refutation
- B(b);XS(A)
- Try
- Actual
- B(H);
- Threat
- S(I)
- Vars
- R(d);OGATE,P_PINS(I),P_SPINR(e),XP(C)::B(B),XR(d)
- R(d);N_GUARD,P_PINS(I),XQ(E)::S(A)
- R(e);P_SPINR(d),XB(B)::S(A)
- R(d);N_GUARD,P_PINS(I),P_SPINR(e)::S(A),XR(d)
- R(d);N_GUARD,P_PINS(I)::S(A)
- R(d);P_PINS(I),P_SPINR(e)::S(A)
- R(e);N_GUARD,P_SPINR(d)::S(A),XR(e)
- R(e);OGATE,P_SPINR(d)::P(C),XR(e)
- R(e);P_SPINR(d)::S(A)
- B(c);N_GUARD::R1(D),XB(c)
- B(c);N_GUARD::R1(D)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD::B(B)
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).