MESON Chess Problem Database
Problem Display
PID: 198699 (8/1r1N4/1P1b1R2/2qk1K1p/Q1N2p1r/5p1p/3P1B2/2R5 w - - 0 1)
de Barbieri, Vittorio
Centurini Ty. (L'Italia Scacchistica), 1921
#2
9 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Rxd6#
- 1...Qe3
- 2.Rxd6#
- 1...Qd4
- 2.Rxd6#
- 1...Qxc4
- 2.Qxc4#
- 1...Qa5
- 2.Rxd6#
- 1...Qb5
- 2.Rxd6#
- 1...Qc8
- 2.Rxd6#
- 1...Qxf2
- Tries
- 1.Sb2?
- threat
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qb4
- 2.Qc6#
- 1...Qd4
- 2.Qc6#
- 2.Qxd4#
- 1...Qc4
- 2.Qxc4#
- 1...Qc2+!
- threat
- 1.Sa3?
- threat
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qb4
- 2.Qc6#
- 1...Qd4
- 2.Qc6#
- 2.Qxd4#
- 1...Qc4
- 2.Qxc4#
- 1...Qc2+!
- threat
- 1.Se3+?
- 1...Qxe3
- 2.Qc4#
- 1...fxe3!
- 1...Qxe3
- 1.Sa5?
- threat
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qb4
- 2.Qc6#
- 1...Qd4
- 2.Qc6#
- 2.Qxd4#
- 1...Qc4
- 2.Qxc4#
- 1...Qc2+!
- threat
- 1.Sce5?
- threat
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qb4
- 2.Qc6#
- 1...Qd4
- 2.Qc6#
- 2.Qxd4#
- 1...Qc4
- 2.Qxc4#
- 1...Qc2+!
- threat
- 1.Sxd6?
- threat
- 2.Rxc5#
- 2.Qe4#
- 1...Qxf2
- 2.Qc4#
- 2.Qe4#
- 1...Qxb6
- 2.Qc4#
- 2.Qe4#
- 1...Qxd6
- 2.Qb3#
- 2.Qa2#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Qxc1
- 2.Qe4#
- 1...Qa3
- 2.Qc6#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Qe3
- 2.Qc4#
- 1...Qb4
- 2.Qc6#
- 1...Qd4
- 2.Qc6#
- 2.Qxd4#
- 1...Qc3
- 2.Qe4#
- 1...Qc4
- 2.Qxc4#
- 1...Qa5
- 2.Qb3#
- 2.Qc6#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 2.Qxa5#
- 1...Qb5
- 2.Qxb5#
- 2.Qd4#
- 2.Qe4#
- 1...Qc6
- 2.Qxc6#
- 2.Qd4#
- 2.Qe4#
- 1...Qc7
- 2.Qd4#
- 2.Qe4#
- 1...Qc8
- 2.Qd4#
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Qc2+!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 1...Qxf2
- 2.Rxd6#
- 1...Qe3
- 2.Rxd6#
- 1...Qb5
- 2.Rxd6#
- 1...Qd4
- 2.Rxd6#
- 1...Be5
- 2.Rxe5#
- 1...Be7
- 2.Re5#
- 1...Rxd7!
- threat
- 1.Qc2?
- threat
- 2.Qe4#
- 1...Qxc4
- 2.Qxc4#
- 1...Qe3
- 2.Rxd6#
- 1...Qd4
- 2.Rxd6#
- 1...Kc6+!
- threat
- 1.Sb2?
- Keys
- 1.Qb3!
- threat
- 2.Qxf3#
- 1...Kc6+
- 2.Sce5#
- 1...Qxf2
- 2.Rxd6#
- 1...Qxc4
- 2.Qxc4#
- 1...Qe3
- 2.Rxd6#
- 1...Qa3
- 2.Sxa3#
- 1...Qd4
- 2.Se3#
- 2.Rxd6#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- Q(e);N_GUARD,XB(C)::R1(H),XB(h)
- Q(e);N_GUARD::R1(H),XB(h)
- Q(e);OGATE,XS(E)::QAB1(D),XQ(e)
- Q(e);N_GUARD,P_PINS(I)::R1(H),XB(h)
- Tries
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- Q(e);N_GUARD::QAB1(D)
- Q(e);N_GUARD::QAB1(D),XQ(e)
- Refutation
- Q(e);CHECK
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- Q(e);N_GUARD::QAB1(D)
- Q(e);N_GUARD::QAB1(D),XQ(e)
- Refutation
- Q(e);CHECK
- Try
- S(E);CHECK
- Vars
- Q(e);XS(E)::QAB1(D)
- Refutation
- P(c);XS(E)
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- Q(e);N_GUARD::QAB1(D)
- Q(e);N_GUARD::QAB1(D),XQ(e)
- Refutation
- Q(e);CHECK
- Try
- S(E);
- Threat
- QAB1(D)
- Vars
- Q(e);N_GUARD::QAB1(D)
- Q(e);N_GUARD::QAB1(D),XQ(e)
- Refutation
- Q(e);CHECK
- Try
- S(E);XB(h)
- Threat
- DUALS(2)
- Vars
- Q(e);XR(A)::QAB1(D)
- Q(e);N_GUARD::QAB1(D)
- Q(e);::QAB1(D)
- Q(e);N_GUARD::QAB1(D),XQ(e)
- R(i);::QAB1(D)
- Refutation
- Q(e);CHECK
- Try
- R(H);
- Threat
- S(I)
- Vars
- Q(e);N_GUARD,XB(C)::R1(H),XB(h)
- Q(e);N_GUARD::R1(H),XB(h)
- B(h);N_GUARD::R1(H),XB(h)
- B(h);N_GUARD::R1(H)
- Refutation
- R(i);XS(I)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- Q(e);OGATE,XS(E)::QAB1(D),XQ(e)
- Q(e);N_GUARD::R1(H),XB(h)
- Refutation
- K(f);CHECK,P_SPINB(h),S_FLIGHT
- Try
- Actual
- Q(D);
- Threat
- QAB(D),XP(a)
- Vars
- K(f);CHECK,P_SPINB(h),S_FLIGHT::S(E)
- Q(e);N_GUARD,XB(C)::R1(H),XB(h)
- Q(e);OGATE,P_SPINQ(e),XS(E)::QAB1(D),XQ(e)
- Q(e);N_GUARD::R1(H),XB(h)
- Q(e);N_GUARD::QAB(D)+S(E),XQ(e)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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