MESON Chess Problem Database
Problem Display
PID: 16247 (8/5NK1/6P1/p1PpNp1k/Rb1R4/6pP/8/4B1nQ w - - 0 1)
Hirschenson, Aaron
The Problemist, 2000
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxe1
- 2.Rh4#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...g2
- 2.Rh4#
- 1...Bxe1
- Tries
- 1.Kf6?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 1...f4!
- 1...Bxe1
- 1.Kh7?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 1...f4!
- 1...Bxe1
- 1.Kg8?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 1...f4!
- 1...Bxe1
- 1.Kh8?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 1...f4!
- 1...Bxe1
- 1.Sf3?
- threat
- 2.Rh4#
- 1...Sxf3
- 2.Qxf3#
- 1...f4
- 2.Rxd5#
- 1...Bc3!
- threat
- 1.Bxg3?
- threat
- 2.Rh4#
- 1...Sf3
- 2.Qxf3#
- 1...f4!
- threat
- 1.Rf4?
- 1...Bxe1
- 2.Rh4#
- 2.Rxf5#
- 1...Bxc5
- 2.Rh4#
- 2.Rxf5#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 1...Bc3
- 2.Rh4#
- 2.Rxf5#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 2.Rxf5#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 2.Rxf5#
- 1...d4!
- 1...Bxe1
- 1.Qg2?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 2.Qxh3#
- 2.Qe2#
- 1...Bc3
- 2.Rh4#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 2.Qxe2#
- 1...Sf3
- 2.Qxf3#
- 1...f4!
- 1...Bxe1
- 1.Qxg1?
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Bc3
- 2.Rh4#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...g2
- 2.Rh4#
- 1...f4!
- 1...Bxe1
- 1.Kf6?
- Keys
- 1.Qxd5!
- 1...Bxe1
- 2.Rh4#
- 1...Bxc5
- 2.Rh4#
- 1...Sxh3
- 2.Qf3#
- 1...f4
- 2.Sf3#
- 1...Bc3
- 2.Rh4#
- 1...Bd2
- 2.Rh4#
- 1...Ba3
- 2.Rh4#
- 1...Se2
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...g2
- 2.Rh4#
- 1...Bxe1
- 1.Qxd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);XB(A)::R1(E)
- B(c);::R1(E)
- B(c);XP(F)::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
- Refutation
- P(f);
- Try
- K(J);P-FLIGHT
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
- Refutation
- P(f);
- Try
- K(J);P-FLIGHT
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
- Refutation
- P(f);
- Try
- K(J);S_FLIGHT
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
- Refutation
- P(f);
- Try
- S(G);
- Threat
- R1(E)
- Vars
- S(a);OGATE,XS(G)::QAB(B),XS(a)
- P(f);OGATEB::R(E),XP(e)
- Refutation
- B(c);P_PINR(E)
- Try
- B(A);XP(b)
- Threat
- R1(E)
- Vars
- S(a);N_GUARD::QAB(B),XS(a)
- Refutation
- P(f);
- Try
- R(E);
- Vars
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- Refutation
- P(e);
- Try
- Q(B);
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B),XS(a)
- Refutation
- P(f);
- Try
- Q(B);XS(a)
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- B(c);::R1(E)
- P(b);::R1(E)
- Refutation
- P(f);
- Try
- Actual
- Q(B);XP(e)
- Vars
- B(c);XB(A)::R1(E)
- B(c);XP(F)::R1(E)
- S(a);N_GUARD,XP(C)::QAB(B)
- P(f);::QAR(B)+S(G)
- B(c);::R1(E)
- S(a);N_GUARD::QAB(B)
- S(a);N_GUARD::QAB(B),XS(a)
- P(b);::R1(E)
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).