MESON Chess Problem Database
Problem Display
PID: 263831 (K3Q3/8/6B1/P2kP1p1/5qR1/1N6/N3P2B/8 w - - 0 1)
Anonymous
Tijdschrift vd NSB, 1894
#2
10 + 3
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Bf7#
- 1...Qc1
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 2.Qd7#
- 1...Qd2
- 2.Bf7#
- 2.Qd7#
- 1...Qxh2
- 2.Sc3#
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 1...Qe3
- 2.Sb4#
- 2.Bf7#
- 2.Qd7#
- 1...Qg3
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 1...Qf1
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 2.Qd7#
- 1...Qf2
- 2.Sc3#
- 2.Sb4#
- 2.Qd7#
- 1...Qf3
- 2.Sb4#
- 2.Rd4#
- 2.Qd7#
- 1...Qa4
- 2.Sc3#
- 2.Bf7#
- 1...Qb4
- 2.Sxb4#
- 2.Bf7#
- 1...Qc4
- 2.Bf7#
- 2.Qd7#
- 1...Qd4
- 2.Bf7#
- 2.Rxd4#
- 1...Qe4
- 2.Bf7#
- 1...Qf5
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 1...Qf6
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 1...Qf7
- 2.Sc3#
- 2.Sb4#
- 2.Bxf7#
- 2.Rd4#
- 1...Qf8
- 2.Sc3#
- 2.Rd4#
- 1...Kc4
- Tries
- 1.Sb4+?
- 1...Qxb4
- 2.Bf7#
- 1...Kc4!
- 1...Qxb4
- 1.Bxf4?
- 1...Kc4
- 2.Bf7#
- 1...gxf4!
- 1...Kc4
- 1.Bd3?
- threat
- 2.Sc3#
- 1...Qc1
- 2.Sb4#
- 2.Rd4#
- 2.Qd7#
- 2.e4#
- 1...Qd2
- 2.Bc4#
- 2.Rd4#
- 2.Qd7#
- 2.e4#
- 1...Qb4
- 2.Sxb4#
- 1...Qc4
- 2.Bxc4#
- 2.Qd7#
- 1...Qd4
- 2.Rxd4#
- 2.Qd7#
- 1...Qxe5!
- threat
- 1.Bf5?
- threat
- 2.Qb5#
- 2.Qe6#
- 1...Kc4
- 2.Be6#
- 1...Qxf5
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 1...Qc1
- 2.Sb4#
- 2.Be6#
- 2.Rd4#
- 2.Qd7#
- 2.Qe6#
- 1...Qe3
- 2.Sb4#
- 2.Be6#
- 2.Qd7#
- 2.Qe6#
- 1...Qf2
- 2.Sc3#
- 2.Sb4#
- 2.Be6#
- 2.Qd7#
- 2.Qe6#
- 1...Qa4
- 2.Sc3#
- 2.Be6#
- 2.Qe6#
- 1...Qb4
- 2.Sxb4#
- 2.Be6#
- 2.Qe6#
- 1...Qc4
- 2.Be6#
- 2.Qd7#
- 2.Qe6#
- 1...Qd4
- 2.Be6#
- 2.Rxd4#
- 2.Qe6#
- 1...Qxe5!
- threat
- 1.Bf7+?
- 1...Qxf7
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 1...Ke4!
- 1...Qxf7
- 1.Qc6+?
- 1...Kxe5
- 2.Rxg5#
- 1...Kxc6!
- 1...Kxe5
- 1.Qd7+?
- 1...Kc4
- 2.Bf7#
- 2.Qd3#
- 1...Kxe5!
- 1...Kc4
- 1.Qd8+?
- 1...Kc4
- 2.Qd3#
- 1...Kc6
- 2.Be8#
- 1...Ke6
- 2.Qd6#
- 1...Kxe5!
- 1...Kc4
- 1.e4+?
- 1...Qxe4
- 2.Bf7#
- 1...Kc4!
- 1...Qxe4
- 1.Sb4+?
- Keys
- 1.Kb7!
- 1...Qb4+
- 2.Sxb4#
- 1...Qf7+
- 2.Bxf7#
- 2.Qxf7#
- 1...Kc4
- 2.Bf7#
- 1...Qxh2
- 2.Sc3#
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 1...Qxe5
- 2.Qc6#
- 2.Qxe5#
- 1...Qxg4
- 2.Qc6#
- 1...Qc1
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 2.Qd7#
- 2.Qf7#
- 2.Qg8#
- 1...Qd2
- 2.Bf7#
- 2.Qc6#
- 2.Qd7#
- 2.Qf7#
- 2.Qg8#
- 1...Qe3
- 2.Sb4#
- 2.Bf7#
- 2.Qc6#
- 2.Qd7#
- 2.Qf7#
- 2.Qg8#
- 1...Qg3
- 2.Sb4#
- 2.Bf7#
- 2.Rd4#
- 1...Qf1
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 2.Qc6#
- 2.Qd7#
- 1...Qf2
- 2.Sc3#
- 2.Sb4#
- 2.Qc6#
- 2.Qd7#
- 1...Qf3
- 2.Sb4#
- 2.Rd4#
- 2.Qc6#
- 2.Qd7#
- 1...Qa4
- 2.Sc3#
- 2.Bf7#
- 2.Qf7#
- 2.Qg8#
- 1...Qc4
- 2.Bf7#
- 2.Qd7#
- 2.Qf7#
- 2.Qg8#
- 1...Qd4
- 2.Bf7#
- 2.Rxd4#
- 2.Qc6#
- 2.Qf7#
- 2.Qg8#
- 1...Qe4
- 2.Bf7#
- 2.Qc6#
- 2.Qf7#
- 2.Qg8#
- 1...Qf5
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 2.Qc6#
- 1...Qf6
- 2.Sc3#
- 2.Sb4#
- 2.Rd4#
- 1...Qf8
- 2.Sc3#
- 2.Rd4#
- 2.Qc6#
- 1...Qb4+
- 1.Kb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(b);N_GUARD,P_SPINQ(a),S_FLIGHT::B(H)
- Q(a);N_GUARD::B(H)
- Tries
- Try
- S(A);CHECK
- Vars
- Q(a);XS(A)::B(H)
- Refutation
- K(b);P_SPINQ(a),S_FLIGHT
- Try
- B(C);XQ(a)
- Vars
- K(b);N_GUARD,S_FLIGHT::B(H)
- Refutation
- P(c);XB(C)
- Try
- B(H);
- Threat
- S(A)
- Vars
- Q(a);N_GUARD::S(A),XQ(a)
- Refutation
- Q(a);XP(G)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- K(b);N_GUARD,P_SPINQ(a),S_FLIGHT::B(H)
- Refutation
- Q(a);XP(G)
- Try
- B(H);CHECK
- Refutation
- K(b);P_SPINQ(a),S_FLIGHT
- Try
- Q(J);CHECK
- Vars
- K(b);N_GUARD,P-FLIGHT,P_SPINQ(a),XP(G)::R(E),XP(c)
- Refutation
- K(b);S_FLIGHT,XQ(J)
- Try
- Q(J);CHECK
- Refutation
- K(b);P-FLIGHT,P_SPINQ(a),XP(G)
- Try
- Q(J);CHECK
- Vars
- K(b);OGATE,P_SPINQ(a),S_FLIGHT::QAB1(J)
- K(b);N_GUARD,S_FLIGHT::B(H)
- K(b);N_GUARD,S_FLIGHT::QAR1(J)
- Refutation
- K(b);P-FLIGHT,P_SPINQ(a),XP(G)
- Try
- P(B);CHECK
- Vars
- Q(a);XP(B)::B(H)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- K(I);S_FLIGHT
- Vars
- Q(a);CHECK,N_GUARD::S(A),XQ(a)
- K(b);N_GUARD,P_SPINQ(a),S_FLIGHT::B(H)
- Q(a);XR(E)::QAB1(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).