MESON Chess Problem Database
Problem Display
PID: 265520 (2r3n1/3r1P2/p5R1/Q1p2R2/P1pkN1pB/2p2p2/5p2/qB1N2bK w - - 0 1)
Marandiuk, Mikhail Nazarovich
Die Schwalbe, 1972
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Qxc3#
- 1...Qxa4
- 2.Qxc3#
- 1...Rd6
- 2.Rxd6#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rdc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rxf7
- 2.Rd6#
- 1...Ra8
- 2.Qxc5#
- 1...Rb8
- 2.Qxc5#
- 1...Rd8
- 2.Qxc5#
- 1...Re8
- 2.Qxc5#
- 1...Rf8
- 2.Qxc5#
- 1...Bh2
- 2.Bxf2#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...Qa2
- Tries
- 1.Sd2?
- threat
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...Re7
- 2.Rd6#
- 1...Re8
- 2.Qxc5#
- 1...Bh2
- 2.Bxf2#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...g3
- 2.Sxf3#
- 2.Rg4#
- 1...c2!
- threat
- 1.Sexf2?
- threat
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...Re7
- 2.Rd6#
- 1...Re8
- 2.Qxc5#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...g3
- 2.Rg4#
- 1...Bh2!
- threat
- 1.Sexc3?
- threat
- 2.Rxg4#
- 1...Re7
- 2.Rd5#
- 2.Rd6#
- 1...Re8
- 2.Qxc5#
- 1...Bh2
- 2.Bxf2#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...g3
- 2.Rg4#
- 1...Qxb1!
- threat
- 1.Sxc5?
- threat
- 2.Se6#
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...Rxc5
- 2.Rxg4#
- 2.Qxc5#
- 1...Rd6
- 2.Rxg4#
- 2.Rxd6#
- 1...Re7
- 2.Rd6#
- 1...Rc6
- 2.Rxg4#
- 1...Bh2
- 2.Se6#
- 2.Bxf2#
- 1...Sf6
- 2.Se6#
- 2.Bxf6#
- 1...Sh6
- 2.Se6#
- 2.Bf6#
- 1...c2
- 2.Rxg4#
- 2.Qd2#
- 1...g3
- 2.Se6#
- 2.Rg4#
- 1...Re8!
- threat
- 1.Sg5?
- threat
- 2.Se6#
- 1...Qxb1
- 2.Qxc3#
- 1...c2
- 2.Qd2#
- 1...Rd6
- 2.Rxd6#
- 1...Re7
- 2.Rd6#
- 1...Re8
- 2.Qxc5#
- 1...Rc6!
- threat
- 1.Sd6?
- threat
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...c2
- 2.Qd2#
- 1...Re8
- 2.Qxc5#
- 1...Bh2
- 2.Bxf2#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...g3
- 2.Rg4#
- 1...Re7!
- threat
- 1.Sf6?
- threat
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...Sxf6
- 2.Bxf6#
- 1...c2
- 2.Qd2#
- 1...Re7
- 2.Rd5#
- 1...Re8
- 2.Qxc5#
- 1...Bh2
- 2.Bxf2#
- 1...g3
- 2.Rg4#
- 1...Sh6!
- threat
- 1.Rxg4?
- threat
- 2.Sd2#
- 2.Sexf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Qxb1
- 2.Qxc3#
- 1...c2
- 2.Sexf2#
- 2.Sxc5#
- 2.Qd2#
- 1...f1Q
- 2.Sd2#
- 2.Sef2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...f1S
- 2.Sd2#
- 2.Sef2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...f1B
- 2.Sd2#
- 2.Sef2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...f1R
- 2.Sd2#
- 2.Sef2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sd6#
- 2.Sf6#
- 1...Rd6
- 2.Sd2#
- 2.Sexf2#
- 2.Sexc3#
- 2.Sg3#
- 2.Sxc5#
- 2.Sg5#
- 2.Sxd6#
- 2.Sf6#
- 1...Re8
- 2.Qxc5#
- 1...Bh2
- 2.Sg3#
- 2.Bxf2#
- 1...Sf6
- 2.Sxf6#
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Re7!
- threat
- 1.Sd2?
- Keys
- 1.Sg3!
- threat
- 2.Rxg4#
- 1...Qxb1
- 2.Qxc3#
- 1...c2
- 2.Qd2#
- 1...Re7
- 2.Rd6#
- 1...Re8
- 2.Qxc5#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::QAB1(G),XP(d)
- Q(a);N_GUARD,XP(D)::QAB1(G),XP(d)
- R(k);N_GUARD::R(I),XR(k)
- R(k);N_GUARD::R(I)
- R(k);N_GUARD,XP(J)::R(I)
- R(l);N_GUARD::QAB1(G),XP(i)
- B(b);N_GUARD::B(F),XP(c)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(F)
- Tries
- Try
- S(E);
- Threat
- R(I),XP(h)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- R(k);N_GUARD::R(I)
- R(l);N_GUARD::QAB1(G),XP(i)
- B(b);N_GUARD::B(F),XP(c)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(F)
- Refutation
- P(d);
- Try
- S(E);XP(c)
- Threat
- R(I),XP(h)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- R(k);N_GUARD::R(I)
- R(l);N_GUARD::QAB1(G),XP(i)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(F)
- P(h);::R(I)
- Refutation
- B(b);
- Try
- S(E);XP(d)
- Threat
- R(I),XP(h)
- Vars
- R(l);N_GUARD::QAB1(G),XP(i)
- B(b);N_GUARD::B(F),XP(c)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(F)
- P(h);::R(I)
- Refutation
- Q(a);XB(A)
- Try
- S(E);XP(i)
- Threat
- DUALS(2)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- R(k);N_GUARD::R(I)
- R(l);::R(I),XP(h)
- Refutation
- R(l);
- Try
- S(E);
- Threat
- S(E)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- P(d);OGATE::QAR2(G)
- R(k);N_GUARD::R(I),XR(k)
- R(k);N_GUARD::R(I)
- R(l);N_GUARD::QAB1(G),XP(i)
- Refutation
- R(l);
- Try
- S(E);
- Threat
- R(I),XP(h)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- P(d);OGATE::QAR2(G)
- R(l);N_GUARD::QAB1(G),XP(i)
- B(b);N_GUARD::B(F),XP(c)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(F)
- P(h);::R(I)
- Refutation
- R(k);
- Try
- S(E);
- Threat
- R(I),XP(h)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- S(m);OGATE,XS(E)::B(F),XS(m)
- P(d);OGATE::QAR2(G)
- R(k);N_GUARD::R1(H)
- R(l);N_GUARD::QAB1(G),XP(i)
- B(b);N_GUARD::B(F),XP(c)
- P(h);::R(I)
- Refutation
- S(m);
- Try
- R(I);XP(h)
- Threat
- DUALS(8)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- R(l);N_GUARD::QAB1(G),XP(i)
- S(m);N_GUARD::B(F)
- Refutation
- R(k);
- Try
- Actual
- S(E);
- Threat
- R(I),XP(h)
- Vars
- Q(a);N_GUARD,XB(A)::QAB1(G),XP(d)
- P(d);OGATE::QAR2(G)
- R(k);N_GUARD::R(I)
- R(l);N_GUARD::QAB1(G),XP(i)
- S(m);N_GUARD::B(F),XS(m)
- S(m);N_GUARD::B(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).