MESON Chess Problem Database
Problem Display
PID: 234341 (2NK2Rn/1p3kBP/2R5/8/1p4Br/8/1brp4/1Q1n4 w - - 0 1)
Moen, Kabe
Phenix, 2020
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sd6#
- 2.Be6#
- 1...Rc3
- 2.Sd6#
- 2.Be6#
- 2.Rf6#
- 2.Qf5#
- 1...Rc4
- 2.Sd6#
- 2.Be6#
- 1...Rc5
- 2.Sd6#
- 2.Be6#
- 1...Bc1
- 2.Rf6#
- 1...Ba3
- 2.Rf6#
- 1...Bc3
- 2.Qb3#
- 1...Bf6+
- 2.Rxf6#
- 1...Sc3
- 2.Rf6#
- 2.Qf1#
- 1...Sg6
- 2.Sd6#
- 2.Be6#
- 1...Rc1
- Tries
- 1.Bh5+?
- 1...Sg6
- 2.Bxg6#
- 1...Rxh5!
- 1...Sg6
- 1.Rc7+?
- 1...Rxc7
- 2.Sd6#
- 1...Kg6!
- 1...Rxc7
- 1.Qa2+?
- 1...Rc4
- 2.Qxc4#
- 1...b3!
- 1...Rc4
- 1.Qxc2?
- threat
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 2.Qb3#
- 2.Qc4#
- 1...Bf6+
- 2.Rxf6#
- 1...Rxh7
- 2.Be6#
- 2.Qb3#
- 2.Qc4#
- 1...Bxg7
- 2.Qb3#
- 2.Qc4#
- 1...bxc6
- 2.Sd6#
- 1...Rh3
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 2.Qc4#
- 1...Rh5
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 1...Rh6
- 2.Rc7#
- 1...Bc3
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 2.Qb3#
- 1...Be5
- 2.Be6#
- 2.Qb3#
- 2.Qc4#
- 1...Sc3
- 2.Sd6#
- 2.Be6#
- 2.Rf6#
- 2.Rc7#
- 2.Qf5#
- 1...Se3
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 1...Sg6
- 2.Sd6#
- 2.Be6#
- 2.Qb3#
- 2.Qxg6#
- 2.Qc4#
- 1...b3
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 2.Qxb3#
- 2.Qc4#
- 1...b5
- 2.Sd6#
- 2.Be6#
- 2.Rc7#
- 2.Qb3#
- 1...Rxg4!
- threat
- 1.Qxb2?
- threat
- 2.Rf6#
- 2.Rf8#
- 2.Qf6#
- 1...Rxb2
- 2.Rf6#
- 1...Rxh7
- 2.Rf8#
- 1...Sxb2
- 2.Rf6#
- 1...bxc6
- 2.Qf6#
- 1...Rc3
- 2.Rf6#
- 1...Rh6
- 2.Rf8#
- 1...Sc3
- 2.Rf6#
- 1...Sg6
- 2.Sd6#
- 2.Be6#
- 2.Rf6#
- 2.Qf6#
- 1...Rxc6!
- threat
- 1.Bh5+?
- Keys
- 1.Bc3!
- threat
- 2.Sd6#
- 2.Be6#
- 2.Rf6#
- 2.Rc7#
- 1...Rxc3
- 2.Qf5#
- 1...Rxg4
- 2.Rf6#
- 1...Rxh7
- 2.Be6#
- 1...Bxc3
- 2.Qb3#
- 1...Sxc3
- 2.Qf1#
- 1...bxc3
- 2.Qa2#
- 1...bxc6
- 2.Sd6#
- 1...Rh6
- 2.Rc7#
- 1...Sg6
- 2.Sd6#
- 2.Be6#
- 2.Rf6#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 3
- Sets
- B(b);N_GUARD::R1(C)
- B(b);OGATE::QAB(A)
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- Tries
- Try
- B(B);CHECK
- Vars
- S(i);N_GUARD,P_SPINS(i)::B(B),XS(i)
- Refutation
- R(f);XB(B)
- Try
- R(C);CHECK
- Vars
- R(c);XR(C)::S(F)
- Refutation
- K(h);P_SPINR(c),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- R(c);N_GUARD,P_SPINR(c)::QAB(A),XR(c)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(A);XR(c)
- Threat
- DUALS(5)
- Vars
- B(b);CHECK,N_GUARD::R1(C),XB(b)
- P(g);XR(C)::S(F)
- R(f);::R(C)
- Refutation
- R(f);XB(B)
- Try
- Q(A);XB(b)
- Threat
- DUALS(3)
- Vars
- R(c);XQ(A)::R1(C)
- R(f);XP(E)::R1(H)
- S(a);XQ(A)::R1(C)
- P(g);XR(C)::QAR1(A)
- R(c);::R1(C)
- R(f);::R1(H)
- S(a);::R1(C)
- Refutation
- R(c);XR(C)
- Try
- Actual
- B(D);
- Threat
- DUALS(4)
- Vars
- R(c);OGATE,XB(D)::QAR2(A)
- R(f);XB(B)::R1(C)
- R(f);XP(E)::B(B)
- B(b);OGATE,XB(D)::QAB(A)
- S(a);OGATE,XB(D)::QAR(A)
- P(e);N_GUARD,XB(D)::QAB(A)
- P(g);XR(C)::S(F)
- R(f);::R(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).