MESON Chess Problem Database
Problem Display
PID: 263876 (3r1R2/6P1/4pN1R/5kB1/qp3N1K/r2P4/3Q4/bB6 w - - 0 1)
Kubbel, Evgeny Ivanovich
5th Comm., Tijdschrift vd NSB, 1929
#2
10 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Sg4#
- 2.Sd7#
- 1...b3
- 2.d4#
- 1...e5
- 2.Se8#
- 1...Rd4
- Tries
- 1.Se2?
- threat
- 2.Qf4#
- 1...Rd4+
- 2.Sg4#
- 1...b3+
- 2.d4#
- 1...Ke5
- 2.Qf4#
- 1...e5
- 2.Se8#
- 1...Be5!
- threat
- 1.Sh3?
- threat
- 2.Qf4#
- 1...Rd4+
- 2.Sg4#
- 1...b3+
- 2.d4#
- 1...Ke5
- 2.Qf4#
- 1...e5
- 2.Se8#
- 1...Be5!
- threat
- 1.S4d5?
- threat
- 2.Qf4#
- 1...b3+
- 2.d4#
- 1...Ke5
- 2.Qf4#
- 1...Be5
- 2.Se3#
- 2.Se7#
- 1...e5
- 2.Se8#
- 1...exd5!
- threat
- 1.S4h5?
- threat
- 2.Qf4#
- 1...Rd4+
- 2.Sg4#
- 1...b3+
- 2.d4#
- 1...Ke5
- 2.Qf4#
- 1...e5
- 2.Se8#
- 1...Be5!
- threat
- 1.Sg6?
- threat
- 2.Qf4#
- 2.Qf2#
- 1...Rd4+
- 2.Se4#
- 2.Sg4#
- 1...b3+
- 2.d4#
- 1...Be5
- 2.Se7#
- 1...Qd1
- 2.Qf4#
- 1...Qc2
- 2.Qf4#
- 1...Qc6
- 2.Qf4#
- 1...Qa7
- 2.Qf4#
- 1...Qa8
- 2.Qf4#
- 1...Ra2
- 2.Qf4#
- 1...Bd4
- 2.Qf4#
- 1...e5!
- threat
- 1.Sg4+?
- 1...Bf6
- 2.Rhxf6#
- 2.Rfxf6#
- 1...Rxf8!
- 1...Bf6
- 1.Sd7+?
- 1...Bf6
- 2.Rhxf6#
- 2.Rfxf6#
- 1...Rxf8!
- 1...Bf6
- 1.Se8+?
- 1...Ke5
- 2.Qe3#
- 1...Bf6!
- 1...Ke5
- 1.Qe1?
- threat
- 2.Qe4#
- 2.Qxe6#
- 1...Be5
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 1...Qe8
- 2.Qe4#
- 1...Qa6
- 2.Qe4#
- 1...Qa8
- 2.Qxe6#
- 1...Rd4
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qxe6#
- 1...Rd6
- 2.Qe4#
- 1...Re8
- 2.Qe4#
- 1...b3
- 2.Qxe6#
- 2.d4#
- 1...e5
- 2.Se8#
- 2.Qe4#
- 1...Qc6!
- threat
- 1.Qe3?
- threat
- 2.Qe4#
- 2.Qxe6#
- 1...Be5
- 2.Qh3#
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 1...Qe8
- 2.Qe4#
- 1...Qa6
- 2.Qe4#
- 1...Qa8
- 2.Qxe6#
- 1...Rd4
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qxe6#
- 1...Rd6
- 2.Qe4#
- 1...Re8
- 2.Qe4#
- 1...b3
- 2.Qxe6#
- 2.d4#
- 1...e5
- 2.Se8#
- 2.Qh3#
- 2.Qe4#
- 1...Qc6!
- threat
- 1.Qe2?
- threat
- 2.Qe4#
- 2.Qxe6#
- 1...Be5
- 2.Qg4#
- 2.Qe4#
- 1...Qb3
- 2.Qe4#
- 1...Qd7
- 2.Qe4#
- 1...Qe8
- 2.Qe4#
- 1...Qa6
- 2.Qe4#
- 1...Qa8
- 2.Qxe6#
- 1...Rd4
- 2.Sg4#
- 2.Sd5#
- 2.Sh5#
- 2.Sd7#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 2.Qxe6#
- 1...Rd6
- 2.Qe4#
- 1...Re8
- 2.Qe4#
- 1...b3
- 2.Qxe6#
- 2.d4#
- 1...e5
- 2.Se8#
- 2.Qg4#
- 2.Qe4#
- 1...Qc6!
- threat
- 1.d4+?
- 1...Rd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Qc2!
- 1...Rd3
- 1.Se2?
- Keys
- 1.Sg2!
- threat
- 2.Qf4#
- 1...Rd4+
- 2.Sg4#
- 1...b3+
- 2.d4#
- 1...Ke5
- 2.Qf4#
- 1...Be5
- 2.Se3#
- 1...e5
- 2.Se8#
- threat
- 1.Sg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- P(d);P_PINS(D),S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
- Tries
- Try
- S(D);
- Threat
- QAR1(B)
- Vars
- R(g);CHECK,N_GUARD,S_CUTB(a)::R(J)+S(G)
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- K(e);P-FLIGHT::QAB1(B)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- QAR1(B)
- Vars
- R(g);CHECK,N_GUARD,S_CUTB(a)::R(J)+S(G)
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- K(e);P-FLIGHT::QAB1(B)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- QAR1(B)
- Vars
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- K(e);P-FLIGHT::QAB1(B)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
- Refutation
- P(f);XS(D)
- Try
- S(D);
- Threat
- QAR1(B)
- Vars
- R(g);CHECK,N_GUARD,S_CUTB(a)::R(J)+S(G)
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- K(e);P-FLIGHT::QAB1(B)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
- Refutation
- B(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- B(a);SBLOCK::S(D)
- Q(c);::QAR1(B)
- R(b);::QAR1(B)
- B(a);::QAR1(B)
- Refutation
- P(f);
- Try
- S(G);CHECK
- Refutation
- R(g);XR(J)
- Try
- S(G);CHECK
- Refutation
- R(g);XR(J)
- Try
- S(G);CHECK
- Vars
- K(e);P-FLIGHT,S_CUTB(a)::QAR2(B)
- Refutation
- B(a);P_PINB(F),P_SPINB(a)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(B)
- Q(c);::QAB1(B)
- Q(c);::QAB1(B),XP(f)
- R(g);::QAB1(B)
- Refutation
- Q(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(c);::QAB1(B)
- Q(c);::QAB1(B),XP(f)
- R(g);::QAB1(B)
- Refutation
- Q(c);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(c);::QAB1(B)
- Q(c);::QAB1(B),XP(f)
- R(g);::QAB1(B)
- Refutation
- Q(c);
- Try
- P(C);CHECK
- Refutation
- Q(c);P_SPINQ(c)
- Try
- Actual
- S(D);
- Threat
- QAR1(B)
- Vars
- R(g);CHECK,N_GUARD,S_CUTB(a)::R(J)+S(G)
- P(d);CHECK,S_CUTQ(c),S_CUTR(b)::B(A)+P(C)
- K(e);P-FLIGHT::QAB1(B)
- B(a);SBLOCK::S(D)
- P(f);SBLOCK,S_CUTB(a)::R(J)+S(G)
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).