MESON Chess Problem Database
Problem Display
PID: 71187 (4R3/3p3B/3K1P1B/Qp4Np/3k1nbR/2NP3n/p7/1r6 w - - 0 1)
Barulin, Mikhail Mikhailovich
1st Prize, Magyar Sakkvilag, 1931
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sxb5#
- 2.Qb4#
- 1...Rc1
- 2.Sxb5#
- 2.Qb4#
- 1...Rd1
- 2.Sxb5#
- 2.Qb4#
- 1...Re1
- 2.Sxb5#
- 2.Qb4#
- 1...Rf1
- 2.Sxb5#
- 2.Qb4#
- 1...Rg1
- 2.Sxb5#
- 2.Qb4#
- 1...Rh1
- 2.Sxb5#
- 2.Qb4#
- 1...Rb4
- 2.Qxb4#
- 1...Be2
- 2.Sxe2#
- 1...Bf3
- 2.Sxf3#
- 1...Se2
- 2.Sxe2#
- 2.Sf3#
- 1...Sg2
- 2.Se2#
- 2.Sf3#
- 1...Sxd3
- 2.Re4#
- 1...Sd5
- 2.Se2#
- 2.Sf3#
- 1...Se6
- 2.Sf3#
- 1...b4
- 2.Sb5#
- 2.Qc5#
- 2.Qe5#
- 1...Ra1
- Tries
- 1.Sxa2?
- threat
- 2.Qc3#
- 2.Qb6#
- 2.Qa7#
- 1...Sxd3
- 2.Re4#
- 2.Qc3#
- 1...Bf5
- 2.Qc3#
- 1...Be6
- 2.Qb6#
- 2.Qa7#
- 1...Se6
- 2.Sf3#
- 1...Sg6
- 2.Qc3#
- 1...Rb3
- 2.Qb6#
- 2.Qa7#
- 1...Rb4
- 2.Qxb4#
- 2.Qb6#
- 2.Qa7#
- 1...Se2
- 2.Sf3#
- 2.Qb6#
- 2.Qa7#
- 1...Sd5
- 2.Sf3#
- 1...b4
- 2.Qb6#
- 2.Qc5#
- 2.Qe5#
- 2.Qa7#
- 1...Rc1!
- threat
- 1.Se2+?
- 1...Sxe2
- 2.Sf3#
- 1...Bxe2!
- 1...Sxe2
- 1.Sa4?
- threat
- 2.Qc3#
- 2.Qb6#
- 2.Qa7#
- 1...Sxd3
- 2.Re4#
- 2.Qc3#
- 1...bxa4
- 2.Qc5#
- 2.Qe5#
- 1...Bf5
- 2.Qc3#
- 1...Be6
- 2.Qb6#
- 2.Qa7#
- 1...Se6
- 2.Sf3#
- 1...Sg6
- 2.Qc3#
- 1...a1Q
- 2.Qb6#
- 2.Qa7#
- 1...a1B
- 2.Qb6#
- 2.Qa7#
- 1...Rb3
- 2.Qb6#
- 2.Qa7#
- 1...Rb4
- 2.Qxb4#
- 2.Qb6#
- 2.Qa7#
- 1...Se2
- 2.Sf3#
- 2.Qb6#
- 2.Qa7#
- 1...Sd5
- 2.Sf3#
- 1...b4
- 2.Qb6#
- 2.Qc5#
- 2.Qe5#
- 2.Qa7#
- 1...Rc1!
- threat
- 1.Sd5?
- threat
- 2.Qc3#
- 2.Qb6#
- 2.Qa7#
- 1...Sxd3
- 2.Re4#
- 2.Qc3#
- 1...Sxd5
- 2.Sf3#
- 1...Bf5
- 2.Qc3#
- 1...Sg6
- 2.Qc3#
- 1...a1Q
- 2.Qb6#
- 1...a1B
- 2.Qb6#
- 2.Qa7#
- 1...a1R
- 2.Qc3#
- 2.Qb6#
- 1...Rb3
- 2.Qb6#
- 2.Qa7#
- 1...Rb4
- 2.Qxb4#
- 2.Qb6#
- 2.Qa7#
- 1...Se2
- 2.Sf3#
- 2.Qb6#
- 2.Qa7#
- 1...Se6
- 2.Sf3#
- 2.Qc3#
- 1...b4
- 2.Qb6#
- 2.Qc5#
- 2.Qa7#
- 1...Rc1!
- threat
- 1.Rxg4?
- threat
- 2.Se2#
- 2.Sf3#
- 1...Sxg5
- 2.Se2#
- 1...Rb4
- 2.Se2#
- 2.Qxb4#
- 1...b4
- 2.Se2#
- 2.Sb5#
- 2.Qc5#
- 2.Qe5#
- 1...Re1
- 2.Sxb5#
- 2.Sf3#
- 2.Qb4#
- 1...Rf1
- 2.Se2#
- 2.Sxb5#
- 2.Qb4#
- 1...Rb2
- 2.Sf3#
- 1...Sg1
- 2.Rxf4#
- 1...hxg4!
- threat
- 1.Qxb5?
- threat
- 2.Qc4#
- 2.Qc5#
- 2.Qe5#
- 1...Rxb5
- 2.Sxb5#
- 1...Sxd3
- 2.Se2#
- 2.Qxd3#
- 1...Be6
- 2.Qc5#
- 2.Qe5#
- 1...Se6
- 2.Qe5#
- 1...Re1
- 2.Qc4#
- 2.Qb4#
- 2.Qc5#
- 1...Rb4
- 2.Qxb4#
- 2.Qc5#
- 2.Qe5#
- 1...Bf5
- 2.Se2#
- 2.Qc4#
- 1...Sd5
- 2.Se2#
- 2.Qc4#
- 2.Qc5#
- 1...Sg6
- 2.Se2#
- 2.Qc4#
- 1...Kxc3!
- threat
- 1.Sxa2?
- Keys
- 1.Qa3!
- threat
- 2.Qc5#
- 1...Sxd3
- 2.Re4#
- 1...Bf5
- 2.Se2#
- 1...Se6
- 2.Sf3#
- 1...Sg6
- 2.Se2#
- 1...Rb4
- 2.Qxb4#
- 1...b4
- 2.Sb5#
- threat
- 1.Qa3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(a);N_GUARD::QAR2(D),XR(a)
- B(f);N_GUARD,P_SPINS(e)::S(A),XB(f)
- B(f);N_GUARD,P_SPINS(e)::S(E),XB(f)
- S(e);P_SPINB(f),SBLOCK,XP(B)::R1(J)
- S(e);P_SPINB(f)::S(E)
- Tries
- Try
- S(A);XP(b)
- Threat
- DUALS(3)
- Vars
- B(f);P_SPINS(e)::QAB1(D)
- S(e);P_SPINB(f)::S(E)
- S(e);P_SPINB(f)::QAB1(D)
- Refutation
- R(a);
- Try
- S(A);CHECK
- Vars
- S(e);P_SPINB(f),XS(A)::S(E)
- Refutation
- B(f);P_SPINS(e),XS(A)
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- B(f);P_SPINS(e)::QAB1(D)
- S(e);P_SPINB(f)::S(E)
- S(e);P_SPINB(f)::QAB1(D)
- Refutation
- R(a);
- Try
- S(A);
- Threat
- DUALS(3)
- Vars
- S(e);P_SPINB(f),XS(A)::S(E)
- B(f);P_SPINS(e)::QAB1(D)
- S(e);P_SPINB(f)::QAB1(D)
- P(b);::QAB(D)
- Refutation
- R(a);
- Try
- R(C);P_PINS(e),XB(f)
- Threat
- DUALS(2)
- Vars
- S(c);XS(E)::S(A)
- R(a);::S(E)
- S(c);N_GUARD::R(C),XS(e)
- Refutation
- P(h);N_SPINS(e),XR(C)
- Try
- Q(D);XP(g)
- Threat
- DUALS(3)
- Vars
- R(a);XQ(D)::S(A),XR(a)
- S(e);P_SPINB(f)::QAB1(D)
- Refutation
- K(d);S_FLIGHT,XS(A)
- Try
- Actual
- Q(D);
- Threat
- QAB1(D)
- Vars
- S(e);P_SPINB(f),SBLOCK,XP(B)::R1(J)
- B(f);N_GUARD,P_SPINS(e)::S(A)
- S(e);P_SPINB(f)::S(E)
- S(e);N_GUARD,P_SPINB(f)::S(A)
- R(a);N_GUARD::QAR2(D),XR(a)
- P(g);S_CUTR(a)::S(A)
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).