MESON Chess Problem Database
Problem Display
PID: 189668 (2K5/1p4pp/4Qn1q/P1kN2P1/3N2pR/P2r3b/1P1pB3/1nr3B1 w - - 0 1)
Neukomm, Gyula (Julius) R
Magyar Sakkvilag, 1911
#2
11 + 12
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxa3
- 2.Sb3#
- 2.b4#
- 1...Rb3
- 2.Sxb3#
- 1...Rc3
- 2.Sb3#
- 2.b4#
- 1...Re3
- 2.Sb3#
- 1...Rf3
- 2.Sb3#
- 2.b4#
- 1...Rg3
- 2.Sb3#
- 2.b4#
- 1...Rxd4
- 2.b4#
- 1...b5
- 2.Qc6#
- 1...b6
- 2.Qc6#
- 1...Rxa3
- Tries
- 1.Sc3?
- threat
- 2.Sa4#
- 2.Sb3#
- 2.b4#
- 1...Rxg1
- 2.Sb3#
- 1...Rcxc3
- 2.b4#
- 1...Rdxc3
- 2.Sb3#
- 2.b4#
- 1...Rxd4
- 2.Sa4#
- 2.Qb6#
- 2.b4#
- 1...Sxc3
- 2.b4#
- 1...Re3
- 2.Sb3#
- 2.Qb6#
- 1...Sd5
- 2.Qxd5#
- 1...d1Q
- 2.Sb3#
- 2.b4#
- 1...d1B
- 2.Sb3#
- 2.b4#
- 1...b5
- 2.Sb3#
- 2.Qc6#
- 2.b4#
- 1...Sxa3!
- threat
- 1.Sf4?
- threat
- 2.Sxd3#
- 2.b4#
- 1...Rxa3
- 2.Qb6#
- 2.Qe7#
- 1...Rxd4
- 2.Qb6#
- 2.b4#
- 1...Sxa3
- 2.Sxd3#
- 1...Re3
- 2.Sb3#
- 2.Qb6#
- 1...Sd5
- 2.Qxd5#
- 1...d1Q
- 2.b4#
- 1...d1R
- 2.b4#
- 1...Qg6
- 2.b4#
- 1...Rcc3
- 2.b4#
- 1...Rc4
- 2.Sxd3#
- 2.Qb6#
- 2.Qe7#
- 1...Rb3
- 2.Sxb3#
- 2.Qe7#
- 1...Rdc3
- 2.Sb3#
- 2.Qb6#
- 2.Qe7#
- 2.b4#
- 1...Rf3
- 2.Sb3#
- 2.Qb6#
- 2.Qe7#
- 2.b4#
- 1...Rg3
- 2.Sb3#
- 2.Qb6#
- 2.Qe7#
- 2.b4#
- 1...Rxg1!
- threat
- 1.Sb6?
- threat
- 2.Sa4#
- 2.Qe7#
- 2.b4#
- 1...Rxa3
- 2.Qe7#
- 1...Rxd4
- 2.Sa4#
- 2.b4#
- 1...Sxa3
- 2.Qe7#
- 1...Re3
- 2.Sb3#
- 1...d1Q
- 2.Qe7#
- 2.b4#
- 1...d1B
- 2.Qe7#
- 2.b4#
- 1...Rc4
- 2.Qe7#
- 1...Rb3
- 2.Sxb3#
- 2.Sa4#
- 2.Qe7#
- 1...Sc3
- 2.Qe7#
- 2.b4#
- 1...Se4
- 2.Sa4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.b4#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Sa4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.b4#
- 1...Sd7
- 2.Sa4#
- 2.Sxd7#
- 2.Qd5#
- 2.b4#
- 1...Se8
- 2.Sa4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.b4#
- 1...Sg8
- 2.Sa4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.b4#
- 1...g3
- 2.Sa4#
- 2.b4#
- 1...Rxg1!
- threat
- 1.Sxf6?
- threat
- 2.Se4#
- 2.Sd7#
- 2.Qd5#
- 2.b4#
- 1...Qxg5
- 2.Se4#
- 2.Sd7#
- 2.b4#
- 1...Qxf6
- 2.b4#
- 1...Rxg1
- 2.Qd5#
- 1...Rxa3
- 2.Qb6#
- 2.Qe7#
- 1...gxf6
- 2.b4#
- 1...Re3
- 2.Sb3#
- 2.Qd5#
- 2.Qb6#
- 1...Qg6
- 2.Sd7#
- 2.Qd5#
- 2.b4#
- 1...Rc4
- 2.Se4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.Qb6#
- 2.Qe7#
- 1...Rb3
- 2.Sxb3#
- 2.Se4#
- 2.Sd7#
- 2.Qd5#
- 2.Qe5#
- 2.Qe7#
- 1...Bg2
- 2.Sd7#
- 2.b4#
- 1...Sc3
- 2.Sd7#
- 2.b4#
- 1...g3
- 2.Se4#
- 2.Sd7#
- 2.b4#
- 1...Sxa3!
- threat
- 1.Bxd3?
- threat
- 2.Sb3#
- 2.b4#
- 1...Rxg1
- 2.Sb3#
- 1...Sxd5
- 2.Sb3#
- 1...Rc4!
- threat
- 1.Qb6+?
- 1...Kc4
- 2.Se3#
- 2.Qb5#
- 1...Kxd5+!
- 1...Kc4
- 1.Qd6+?
- 1...Kc4
- 2.Se3#
- 2.Sb6#
- 2.b3#
- 1...Kxd6+!
- 1...Kc4
- 1.Qe7+?
- 1...Kc4
- 2.Sb6#
- 1...Kxd5+!
- 1...Kc4
- 1.Sc3?
- Keys
- 1.Se3!
- threat
- 2.Qb6#
- 1...Kxd4+
- 2.Sc2#
- 1...Rxe3
- 2.Sb3#
- 1...Rb3
- 2.Sxb3#
- 1...Se4
- 2.Qd5#
- 2.Qe5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 2.Qe5#
- 1...Sd7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 2.Qe5#
- 1...Sg8
- 2.Qd5#
- 2.Qe5#
- 1...g3
- 2.b4#
- 1...b6
- 2.Qxb6#
- threat
- 1.Se3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(d);::B(A)+S(E),DCHECK,XR(d)
- R(d);::S(E)
- R(d);P_SPINR(d),XS(E)::P(B)
- P(j);N_GUARD::QAR1(J)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(b);XB(A)::S(E)
- R(b);XS(H)::P(B)
- S(a);XS(H)::P(B)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- S(a);XP(D)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::S(H),XR(d)
- S(h);N_GUARD::QAR1(J),XS(h)
- P(c);::P(B)
- Q(i);::P(B)
- R(b);::P(B)
- Refutation
- R(b);XB(A)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(d);XP(D)::QAB(J)
- S(a);XP(D)::QAB(J)
- R(d);::S(E)
- R(b);::QAB(J)
- S(h);N_GUARD::QAR1(J),XS(h)
- Refutation
- R(b);XB(A)
- Try
- S(H);XS(h)
- Threat
- DUALS(4)
- Vars
- Q(i);XS(H)::P(B)
- R(b);XB(A)::QAR1(J)
- P(k);XS(H)::P(B)
- Refutation
- S(a);XP(D)
- Try
- B(C);XR(d)
- Threat
- DUALS(2)
- Vars
- R(b);XB(A)::S(E)
- S(h);XS(H)::B(A)+S(E),DCHECK
- Refutation
- R(b);
- Try
- Q(J);CHECK
- Refutation
- K(g);CHECK,P-FLIGHT,XS(H)
- Try
- Q(J);CHECK
- Refutation
- K(g);CHECK,S_FLIGHT,XQ(J)
- Try
- Q(J);CHECK
- Vars
- K(g);P-FLIGHT,P_SPINR(d)::S(H)
- Refutation
- K(g);CHECK,P-FLIGHT,XS(H)
- Try
- Actual
- S(H);
- Threat
- QAB1(J)
- Vars
- K(g);CHECK,P_SPINP(f),S_FLIGHT,XS(E)::B(A)+S(H),DCHECK
- R(d);N_GUARD,XS(H)::S(E)
- R(d);N_GUARD::S(E),XR(d)
- S(h);N_GUARD::QAR1(J),XS(h)
- S(h);N_GUARD::QAR1(J)
- P(f);P_PINQ(J)::P(B)
- P(j);::QAB1(J),XP(j)
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).