MESON Chess Problem Database
Problem Display
PID: 207144 (7n/3NNp1K/2QB3p/b2pr2P/5k2/3P2RP/6BP/1n2r3 w - - 0 1)
Zabirokhin, Piotr
Zadachi i Etyudi, 2018
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Bxe5#
- 1...Rd1
- 2.Bxe5#
- 1...Rf1
- 2.Bxe5#
- 1...Rg1
- 2.Bxe5#
- 1...Rh1
- 2.Bxe5#
- 1...Re3
- 2.Rg4#
- 1...d4
- 2.Qf3#
- 1...f5
- 2.Sxd5#
- 1...Rc1
- Tries
- 1.Kxh6?
- threat
- 2.Rf3#
- 1...Rf1
- 2.Bxe5#
- 1...Re3
- 2.Rg4#
- 1...Sd2!
- threat
- 1.Sxe5?
- threat
- 2.S5g6#
- 1...Sg6
- 2.S5xg6#
- 1...Rxe5!
- threat
- 1.Sf6?
- threat
- 2.Sfxd5#
- 1...d4
- 2.Sfd5#
- 2.Qf3#
- 1...Sc3!
- threat
- 1.Be4?
- threat
- 2.Sxd5#
- 2.Bxe5#
- 1...dxe4
- 2.Bxe5#
- 1...Bc3
- 2.Sxd5#
- 1...Bc7
- 2.Sxd5#
- 1...Sc3
- 2.Bxe5#
- 1...Sg6
- 2.Sxd5#
- 1...d4
- 2.Sd5#
- 2.Bxe5#
- 1...f6
- 2.Sxd5#
- 1...Rxe4!
- threat
- 1.Bc7?
- threat
- 2.Qf6#
- 2.Qxh6#
- 1...Sg6
- 2.Qf6#
- 1...f5
- 2.Sxd5#
- 2.Qxh6#
- 1...f6
- 2.Qxf6#
- 1...Bxc7!
- threat
- 1.Bb8?
- threat
- 2.Qf6#
- 2.Qxh6#
- 1...Sg6
- 2.Qf6#
- 1...f5
- 2.Sxd5#
- 2.Qxh6#
- 1...f6
- 2.Qxf6#
- 1...Bc7!
- threat
- 1.Qxd5?
- threat
- 2.Qf3#
- 1...Rf1
- 2.Bxe5#
- 2.Qc4#
- 2.Qe4#
- 2.Qd4#
- 2.Qxe5#
- 1...Re3
- 2.Rg4#
- 1...Re4
- 2.Qxe4#
- 1...Sd2!
- threat
- 1.Qc5?
- threat
- 2.Rg4#
- 2.Qf2#
- 1...Re2
- 2.Rg4#
- 1...Rf1
- 2.Bxe5#
- 2.Rg4#
- 2.Qe3#
- 2.Qd4#
- 1...Re3
- 2.Rg4#
- 2.Qxe3#
- 1...Bb6
- 2.Rg4#
- 1...Sd2
- 2.Rg4#
- 1...f5
- 2.Sxd5#
- 2.Qf2#
- 1...d4!
- threat
- 1.Kxh6?
- Keys
- 1.Bc5!
- threat
- 2.Rg4#
- 1...Rxe7
- 2.Qf6#
- 1...Rg5
- 2.Rf3#
- 1...d4
- 2.Qf3#
- 1...f5
- 2.Qxh6#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(b);N_GUARD::B(H),XR(f)
- R(b);SBLOCK::R1(D)
- P(e);OGATE::QAR1(G)
- P(h);SBLOCK::S(J),XP(e)
- Tries
- Try
- K(K);P-FLIGHT,XP(g)
- Threat
- R1(D)
- Vars
- R(b);N_GUARD::B(H),XR(f)
- R(b);SBLOCK::R1(D)
- Refutation
- S(a);
- Try
- S(I);XR(f)
- Threat
- B(H)+S(I),DCHECK
- Vars
- S(i);::B(H)+S(I),DCHECK,XS(i)
- Refutation
- R(b);P_SPINR(b),XS(I)
- Try
- S(I);
- Threat
- S(I),XP(e)
- Refutation
- S(a);
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- P(e);XB(A)::B(H),XR(f)
- B(d);::S(J),XP(e)
- S(a);::B(H),XR(f)
- S(i);::S(J),XP(e)
- P(h);::S(J),XP(e)
- Refutation
- R(b);XB(A)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- S(i);::QAR2(G)
- P(h);::QAR2(G),XP(h)
- Refutation
- B(d);N_SPINR(f),XB(H)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- S(i);::QAR2(G)
- P(h);::QAR2(G),XP(h)
- Refutation
- B(d);N_SPINR(f)
- Try
- Q(G);XP(e)
- Threat
- QAR1(G)
- Vars
- R(b);SBLOCK::R1(D)
- R(b);N_GUARD::QAR1(G),XR(b)
- Refutation
- S(a);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(b);::R1(D)
- B(d);::R1(D)
- S(a);::R1(D)
- Refutation
- P(e);
- Try
- Actual
- B(H);N_PINR(f)
- Threat
- R1(D)
- Vars
- R(f);N_GUARD,XS(J)::QAR2(G)
- R(f);SBLOCK::R1(D)
- P(e);OGATE::QAR1(G)
- P(h);S_CUTR(f)::QAB(G),XP(g)
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).