MESON Chess Problem Database
Problem Display
PID: 235775 (8/4p3/4p1KB/2p5/2B1k3/pR6/N1N1rP1n/Q7 w - - 0 1)
Moen, Kabe
The Problemist, 2020
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qxe1#
- 1...Rxc2
- 2.Re3#
- 1...Rd2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...Re1
- Tries
- 1.Sab4?
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...cxb4
- 2.Qd4#
- 1...Re3
- 2.Rxe3#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Re3#
- 1...Sf1
- 2.f3#
- 1...Sf3
- 2.Bd3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Bd5#
- 1...a2!
- 1...Rxc2
- 1.Bxe2?
- 1...Sf1
- 2.Bf3#
- 1...Sf3
- 2.Bxf3#
- 1...Sg4
- 2.Bf3#
- 1...c4
- 2.Qd4#
- 1...e5
- 2.Sc3#
- 1...Kd5!
- 1...Sf1
- 1.Bxe6?
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Re3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...c4
- 2.Qd4#
- 1...Sf3!
- 1...Rxc2
- 1.Rd3?
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Re3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Sc3#
- 1...Sf3!
- 1...Rxc2
- 1.Rh3?
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Sc3#
- 1...Sf3!
- 1...Rxc2
- 1.Qc3?
- 1...Rxc2
- 2.Qe3#
- 1...Rxf2
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Qe3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Qd3#
- 1...Sf3!
- 1...Rxc2
- 1.Qf6?
- threat
- 2.Sc3#
- 2.Qf4#
- 2.Qxe6#
- 1...Rxc2
- 2.Re3#
- 2.Qf4#
- 1...Rxf2
- 2.Sc3#
- 2.Re3#
- 2.Qxe6#
- 1...Sf3
- 2.Sc3#
- 2.Qf4#
- 1...Re3
- 2.Rxe3#
- 2.Qf4#
- 1...Sg4
- 2.Sc3#
- 2.Qf4#
- 2.f3#
- 1...e5
- 2.Sc3#
- 2.Qf5#
- 2.Qc6#
- 1...exf6!
- threat
- 1.Qh8?
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Sf3
- 2.Sc3#
- 1...Rd2
- 2.Re3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Qa8#
- 1...Re1!
- 1...Rxc2
- 1.Qc1?
- threat
- 2.Qf4#
- 1...Ke5
- 2.Qf4#
- 1...Rxf2
- 2.Re3#
- 2.Qe3#
- 1...Re3
- 2.Rxe3#
- 2.Qxe3#
- 1...Rd2
- 2.Re3#
- 1...e5!
- threat
- 1.Sab4?
- Keys
- 1.Rg3!
- 1...Rxc2
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Sf3
- 2.Rg4#
- 1...Re1
- 2.Qxe1#
- 1...Rd2
- 2.Re3#
- 1...Re3
- 2.Rxe3#
- 1...Sf1
- 2.f3#
- 1...Sg4
- 2.f3#
- 1...e5
- 2.Sc3#
- 1...Rxc2
- 1.Rg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- S(b);N_GUARD::P(D)
- Tries
- Try
- S(B);
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- P(e);N_GUARD,XS(B)::QAR1(A)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::R1(E)
- S(b);N_GUARD::P(D)
- S(b);SBLOCK::B(F)
- P(f);N_GUARD::B(F)
- Refutation
- P(c);
- Try
- B(F);XR(a)
- Vars
- S(b);N_GUARD::B(F)
- S(b);N_GUARD::B(F),XS(b)
- P(e);N_GUARD::QAR1(A)
- P(f);SBLOCK::S(B)
- Refutation
- K(d);S_FLIGHT
- Try
- B(F);XP(f)
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::R1(E)
- S(b);N_GUARD::P(D)
- P(e);N_GUARD::QAR1(A)
- Refutation
- S(b);
- Try
- R(E);
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::R1(E)
- S(b);N_GUARD::P(D)
- P(f);SBLOCK::S(B)
- Refutation
- S(b);
- Try
- R(E);
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- S(b);N_GUARD::P(D)
- P(f);SBLOCK::S(B)
- Refutation
- S(b);
- Try
- Q(A);
- Vars
- R(a);N_GUARD,XS(C)::QAR1(A)
- R(a);N_GUARD,XP(D)::QAR1(A)
- R(a);N_GUARD::QAR1(A),XR(a)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::QAR1(A)
- S(b);N_GUARD::P(D)
- P(f);SBLOCK::QAB1(A)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- DUALS(3)
- Refutation
- P(g);XQ(A)
- Try
- Q(A);
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- S(b);SBLOCK::S(B)
- R(a);N_GUARD::R1(E)
- S(b);N_GUARD::P(D)
- P(f);SBLOCK::QAB(A)
- Refutation
- R(a);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(d);P-FLIGHT::QAB1(A)
- R(a);N_GUARD::R1(E)
- Refutation
- P(f);
- Try
- Actual
- R(E);
- Vars
- R(a);N_GUARD,XS(C)::R1(E)
- R(a);N_GUARD,XP(D)::R1(E)
- S(b);N_GUARD,SBLOCK::R(E)
- R(a);OGATEB::QAR(A),XR(a)
- R(a);N_GUARD::R1(E)
- R(a);N_GUARD::R1(E),XR(a)
- S(b);N_GUARD::P(D)
- P(f);SBLOCK::S(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).