MESON Chess Problem Database
Problem Display
PID: 230352 (K1B1b1rb/1p5P/p3N2B/2PPn2Q/4kP2/R3r3/2pRN1P1/3q4 w - - 0 1)
Pavlov, Yury A
Zadachi i Etyudi, 2001
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxe2
- 2.Rd4#
- 1...Qb1
- 2.Rd4#
- 1...Qc1
- 2.Rd4#
- 1...Qe1
- 2.Rd4#
- 1...Qf1
- 2.Rd4#
- 1...Qg1
- 2.Rd4#
- 1...Qh1
- 2.Rd4#
- 1...Rg5
- 2.Sxg5#
- 1...Rg7
- 2.Qxe5#
- 1...Rf8
- 2.Sg5#
- 1...Bg6
- 2.Sg5#
- 1...Bg7
- 2.Sg5#
- 1...Sg6
- 2.Sg5#
- 1...Qxe2
- Tries
- 1.Sg7?
- threat
- 2.Bf5#
- 2.Qxe5#
- 2.Qf5#
- 1...Qxd2
- 2.Qxe5#
- 1...Rxa3
- 2.Qxe5#
- 1...Bxg7
- 2.Bf5#
- 2.Qf5#
- 1...Rb3
- 2.Qxe5#
- 1...Rc3
- 2.Qxe5#
- 1...Rd3
- 2.Qxe5#
- 1...Qa1
- 2.Bf5#
- 2.Qf5#
- 1...Rf8
- 2.Qxe5#
- 1...Ba4
- 2.Qxe5#
- 2.Qf5#
- 1...Bb5
- 2.Qxe5#
- 2.Qf5#
- 1...Bc6
- 2.Qxe5#
- 2.Qf5#
- 1...Bg6
- 2.Qxe5#
- 1...Bd7
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 2.Qf5#
- 1...Sd3
- 2.Qf5#
- 1...Sf3
- 2.Sg3#
- 2.Bf5#
- 2.Qf5#
- 1...Sc4
- 2.Bf5#
- 2.Qf5#
- 1...Sg4
- 2.Bf5#
- 2.Qf5#
- 1...Sc6
- 2.Bf5#
- 2.Qf5#
- 1...Sg6
- 2.Bf5#
- 2.Qf5#
- 1...Sd7
- 2.Ra4#
- 2.Qf5#
- 1...Sf7
- 2.Bf5#
- 2.Qg6#
- 2.Qf5#
- 1...Bxh5!
- threat
- 1.Qg6+?
- 1...Bxg6
- 2.Sg5#
- 1...Sxg6
- 2.Sg5#
- 1...Rxg6!
- 1...Bxg6
- 1.Sg7?
- Keys
- 1.Bg7!
- threat
- 2.Sg5#
- 2.Qxe5#
- 1...Qxe2
- 2.Rd4#
- 2.Qxe5#
- 1...Qxd2
- 2.Qxe5#
- 1...Rxe2
- 2.Qxe5#
- 1...Rxa3
- 2.Qxe5#
- 1...Rxg7
- 2.Qxe5#
- 1...Bxh5
- 2.Sg5#
- 1...Bxg7
- 2.Sg5#
- 1...Rb3
- 2.Qxe5#
- 1...Rc3
- 2.Qxe5#
- 1...Rd3
- 2.Qxe5#
- 1...Qa1
- 2.Sg5#
- 1...Rg3
- 2.Sxg3#
- 2.Qxe5#
- 1...Bd7
- 2.Qxe5#
- 1...Sd3
- 2.Sc3#
- 1...Sf3
- 2.Sg3#
- 1...Sc4
- 2.Sg5#
- 1...Sg4
- 2.Sg5#
- 1...Sc6
- 2.Sg5#
- 1...Sg6
- 2.Sg5#
- 1...Sd7
- 2.Ra4#
- 1...Sf7
- 2.Qg6#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 10
- Sets
- Q(a);N_GUARD,XS(B)::R1(A)
- Q(a);N_GUARD::R1(A)
- R(i);N_GUARD::S(I),XR(i)
- R(i);S_CUTB(j)::QAR1(H),XS(e)
- R(i);N_GUARD::S(I)
- B(h);P_PINB(M),S_CUTR(i)::S(I)
- B(j);S_CUTR(i)::S(I)
- S(e);S_CUTR(i)::S(I)
- Tries
- Try
- S(I);
- Threat
- DUALS(3)
- Vars
- Q(a);XR(A)::QAR1(H),XS(e)
- R(c);XR(D)::QAR1(H),XS(e)
- R(c);::QAR1(H),XS(e)
- R(i);::QAR1(H),XS(e)
- B(h);P_PINB(M)::QAR1(H),XS(e)
- S(e);::QAB1(H)
- Refutation
- B(h);P_PINB(M),XQ(H)
- Try
- Q(H);CHECK
- Vars
- B(h);P_PINB(M),XQ(H)::S(I)
- S(e);XQ(H)::S(I)
- Refutation
- R(i);XQ(H)
- Try
- Actual
- B(J);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(A)::QAR1(H),XS(e)
- R(c);XS(B)::QAR1(H),XS(e)
- R(c);XR(D)::QAR1(H),XS(e)
- R(i);XB(J)::QAR1(H),XS(e)
- B(h);P_PINB(M),XQ(H)::S(I)
- B(j);XB(J)::S(I)
- R(c);::QAR1(H),XS(e)
- Q(a);::S(I)
- B(h);P_PINB(M)::QAR1(H),XS(e)
- S(e);S_CUTR(c)::S(B)
- S(e);::S(I)
- S(e);N_GUARD,S_CUTB(h)::R(D)
- S(e);N_GUARD,S_CUTB(h)::QAB(H)
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).