MESON Chess Problem Database
Problem Display
PID: 277800 (4q3/4b3/1BN5/2n2N1r/Ppprb2P/2k2p1R/2B2nR1/1KQ5 w - - 0 1)
Sterkowiec, Marcin
Meson, 2024
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rd2
- 2.Qb2#
- 1...Rd3
- 2.Bd1#
- 1...Bxc2+
- 2.Qxc2#
- 1...Bd3
- 2.Qe1#
- 1...Sh1
- 2.Qb2#
- 1...Sfd3
- 2.Qd2#
- 1...Sxh3
- 2.Qb2#
- 1...Sg4
- 2.Qb2#
- 1...Scd3
- 2.Bxd4#
- 1...Sxa4
- 2.Bxd4#
- 1...Sa6
- 2.Bxd4#
- 1...Sb7
- 2.Bxd4#
- 1...Sd7
- 2.Bxd4#
- 1...b3
- 2.Bxe4#
- 2.Ba5#
- 1...Rd2
- Tries
- 1.Sfxd4?
- threat
- 2.Se2#
- 2.Sb5#
- 2.Bxe4#
- 2.Qe1#
- 1...Bxc2+
- 2.Qxc2#
- 1...Qxc6
- 2.Se2#
- 1...Bxc6
- 2.Se2#
- 1...Sxh3
- 2.Sb5#
- 2.Bxe4#
- 2.Qb2#
- 2.Qd2#
- 2.Qe1#
- 1...Sxa4
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Bd3
- 2.Sb5#
- 2.Qe1#
- 1...Bd5
- 2.Se2#
- 2.Sb5#
- 2.Be4#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 2.Qe1#
- 1...Bf5
- 2.Se2#
- 2.Sb5#
- 2.Be4#
- 2.Bxf5#
- 2.Qe1#
- 1...Bg6
- 2.Se2#
- 2.Sb5#
- 2.Be4#
- 2.Bf5#
- 2.Bxg6#
- 2.Qe1#
- 1...Bh7
- 2.Se2#
- 2.Sb5#
- 2.Be4#
- 2.Bf5#
- 2.Bg6#
- 2.Bxh7#
- 2.Qe1#
- 1...Bg5
- 2.Se2#
- 2.Sb5#
- 1...Sd1
- 2.Se2#
- 2.Sb5#
- 2.Bxe4#
- 2.Qd2#
- 1...Sfd3
- 2.Sb5#
- 2.Qd2#
- 1...Sb3
- 2.Se2#
- 1...Sa6
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Se6
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Sb7
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Sd7
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Scd3!
- threat
- 1.Scxd4?
- threat
- 2.Se2#
- 2.Bxe4#
- 2.Qe1#
- 1...Bxc2+
- 2.Qxc2#
- 1...Qxa4
- 2.Se2#
- 2.Qe1#
- 1...Rxf5
- 2.Se2#
- 1...Bxf5
- 2.Se2#
- 1...Sxh3
- 2.Bxe4#
- 2.Qb2#
- 2.Qd2#
- 2.Qe1#
- 1...b3
- 2.Ba5#
- 2.Qe1#
- 1...Bd3
- 2.Qe1#
- 1...Bd5
- 2.Se2#
- 2.Be4#
- 2.Qe1#
- 1...Bc6
- 2.Se2#
- 2.Be4#
- 2.Qe1#
- 1...Bb7
- 2.Se2#
- 2.Be4#
- 2.Qe1#
- 1...Ba8
- 2.Se2#
- 2.Be4#
- 2.Qe1#
- 1...Bg5
- 2.Se2#
- 1...Sd1
- 2.Se2#
- 2.Bxe4#
- 2.Qd2#
- 1...Sfd3
- 2.Qd2#
- 1...Sb3
- 2.Se2#
- 1...Scd3!
- threat
- 1.Bd3+?
- 1...Kxd3
- 2.Qe3#
- 2.Qc2#
- 1...Kb3!
- 1...Kxd3
- 1.Rxf2?
- threat
- 2.Qb2#
- 1...Bxc2+
- 2.Qxc2#
- 1...Sxa4
- 2.Bxd4#
- 1...Sd3
- 2.Bxd4#
- 2.Qd2#
- 1...Rd1!
- threat
- 1.Rxf3+?
- 1...Rd3
- 2.Bd1#
- 2.Qe1#
- 1...Bd3
- 2.Qe1#
- 1...Sfd3
- 2.Bd1#
- 2.Qb2#
- 2.Qd2#
- 2.Qe1#
- 1...Scd3
- 2.Bd1#
- 2.Bxd4#
- 2.Qe1#
- 1...Bxf3!
- 1...Rd3
- 1.Qa3+?
- 1...Kd2
- 2.Qe3#
- 1...bxa3
- 2.Ba5#
- 1...b3
- 2.Ba5#
- 2.Qb4#
- 1...Sb3!
- 1...Kd2
- 1.Qe3+?
- 1...Bd3
- 2.Qe1#
- 1...Sfd3
- 2.Qd2#
- 2.Qxd4#
- 1...Scd3
- 2.Bxd4#
- 1...Rd3!
- 1...Bd3
- 1.Sfxd4?
- Keys
- 1.Sg3!
- threat
- 2.Se2#
- 1...Bxc2+
- 2.Qxc2#
- 1...Sxh3
- 2.Qb2#
- 1...Rd2
- 2.Qb2#
- 1...Rd3
- 2.Bd1#
- 1...Bd3
- 2.Qe1#
- 1...Sfd3
- 2.Qd2#
- 1...Scd3
- 2.Bxd4#
- threat
- 1.Sg3!
This is a version of 93921
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(f);SBLOCK::QAB1(B)
- R(f);N_PINB(C),N_SPINP(c),SBLOCK::QAR(B)+B(C)
- B(g);CHECK,P_SPINB(g),XB(C)::QAR1(B),XB(g)
- B(g);N_SPINP(c),S_CUTR(f)::QAB(B)
- S(a);::QAB1(B)
- S(a);N_PINB(C),N_SPINP(c),S_CUTR(f)::QAB1(B)
- S(a);N_SPINP(c),XR(E)::QAB1(B)
- S(h);N_PINB(C),N_SPINP(c),OGATE::B(I),XR(f)
- S(h);OGATE,XP(F)::B(I),XR(f)
- S(h);OGATE::B(I),XR(f)
- Tries
- Try
- S(H);XR(f)
- Threat
- DUALS(4)
- Vars
- B(g);CHECK,P_SPINB(g),XB(C)::QAR1(B),XB(g)
- Q(k);XS(J)::S(H)
- B(g);N_PINB(C),XS(J)::S(H)
- S(h);::S(H)
- Refutation
- S(h);N_PINB(C),N_SPINP(c)
- Try
- S(J);XR(f)
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,P_SPINB(g),XB(C)::QAR1(B),XB(g)
- R(i);XS(H)::S(J)
- B(g);XS(H)::S(J)
- B(g);N_SPINP(c)::QAB(B)
- B(j);::S(J)
- S(a);N_PINB(C),N_SPINP(c)::QAB1(B)
- S(h);::S(J)
- Refutation
- S(h);N_PINB(C),N_SPINP(c)
- Try
- B(C);CHECK,N_PINP(c)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);XS(a)
- Threat
- QAB1(B)
- Vars
- B(g);CHECK,P_SPINB(g),XB(C)::QAR1(B),XB(g)
- S(h);OGATE,XP(F)::B(I),XR(f)
- Refutation
- R(f);P_PINQ(B)
- Try
- R(E);CHECK,XP(c)
- Vars
- B(g);P_SPINB(g)::QAB(B)
- Refutation
- B(g);N_PINB(C),XR(E)
- Try
- Q(B);CHECK
- Vars
- K(b);N_SPINP(c),P_SPINS(a),S_FLIGHT::QAB1(B)
- P(d);S_CUTS(h),XQ(B)::B(I)
- Refutation
- S(h);P_SPINS(h)
- Try
- Q(B);CHECK,N_PINP(c)
- Vars
- B(g);P_SPINB(g),S_CUTR(f)::QAB(B)
- S(h);N_PINB(C),OGATE,P_SPINS(h)::B(I),XR(f)
- Refutation
- R(f);N_PINB(C),P_SPINR(f)
- Try
- Actual
- S(H);N_PINP(c)
- Threat
- S(H)
- Vars
- B(g);CHECK,P_SPINB(g),XB(C)::QAR1(B),XB(g)
- S(a);XR(E)::QAB1(B)
- R(f);SBLOCK::QAB1(B)
- R(f);N_PINB(C),SBLOCK::QAR(B)+B(C)
- B(g);S_CUTR(f)::QAB(B)
- S(a);N_PINB(C),S_CUTR(f)::QAB1(B)
- S(h);N_PINB(C),OGATE::B(I),XR(f)
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).