MESON Chess Problem Database
Problem Display
PID: 2598 (6Q1/1p6/1R3PK1/p2B4/P2k1B1p/6nR/P5P1/2N5 w - - 0 1)
Perry, William E
Source?, 0000
#2
11 + 5
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc5
- Tries
- 1.Kh7?
- 1...Kc5
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Be3+?
- 1...Kc3
- 2.Qc8#
- 1...Ke5
- 2.Sd3#
- 2.Qe6#
- 1...Kxe3!
- 1...Kc3
- 1.Bb3?
- threat
- 2.Qc4#
- 1...Ke4
- 2.Qc4#
- 1...Kc5
- 2.Be3#
- 1...Kc3!
- threat
- 1.Bxb7?
- 1...Kc5
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 2.Qd5#
- 1...Sh1
- 2.Sb3#
- 2.Qd5#
- 1...Se2
- 2.Sb3#
- 2.Qd5#
- 1...Se4
- 2.Sb3#
- 2.Qd5#
- 1...Sf5
- 2.Sb3#
- 2.Qd5#
- 1...Sh5
- 2.Sb3#
- 2.Qd5#
- 1...Kc3!
- 1...Kc5
- 1.Rxg3?
- threat
- 2.Sb3#
- 1...Kc5
- 2.Be3#
- 1...hxg3!
- threat
- 1.Rxb7?
- 1...Kc5
- 2.Sb3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Qe6?
- 1...Kc5
- 2.Sb3#
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Qf7?
- 1...Kc5
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Qd8?
- 1...Kc5
- 2.Sb3#
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Qf8?
- 1...Kc3
- 2.Qc5#
- 1...Sf1
- 2.Rd3#
- 1...Sh1
- 2.Rd3#
- 1...Se2
- 2.Rd3#
- 1...Se4
- 2.Rd3#
- 1...Sf5
- 2.Rd3#
- 1...Sh5
- 2.Rd3#
- 1...Kxd5!
- 1...Kc3
- 1.a3?
- 1...Kc5
- 2.Be3#
- 1...Sf1
- 2.Sb3#
- 1...Sh1
- 2.Sb3#
- 1...Se2
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sh5
- 2.Sb3#
- 1...Kc3!
- 1...Kc5
- 1.Kh7?
- Keys
- 1.Be4!
- 1...Kc3
- 2.Se2#
- 1...Kxe4
- 2.Qc4#
- 1...Kc5
- 2.Be3#
- 1...Sxe4
- 2.Sb3#
- 1...Sf1
- 2.Qd5#
- 1...Sh1
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sf5
- 2.Qd5#
- 1...Sh5
- 2.Qd5#
- 1...Kc3
- 1.Be4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::B(F)
- S(a);::S(A)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- K(b);S_FLIGHT::B(F)
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(F);CHECK
- Vars
- K(b);S_FLIGHT::QAR(K)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XB(F)
- Try
- B(G);
- Threat
- QAR1(K)
- Vars
- K(b);P-FLIGHT::QAR2(K)
- K(b);S_FLIGHT::B(F)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(G);XP(e)
- Vars
- K(b);S_FLIGHT::B(F)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- R(D);XS(a)
- Threat
- S(A)
- Vars
- K(b);S_FLIGHT::B(F)
- Refutation
- P(c);XR(D)
- Try
- R(H);XP(e)
- Vars
- K(b);S_FLIGHT::S(A)
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(K);
- Vars
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(K);
- Vars
- K(b);S_FLIGHT::B(F)
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(K);
- Vars
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(K);
- Vars
- K(b);P_SPINS(a),S_FLIGHT::QAR2(K)
- S(a);OGATE::R1(D)
- Refutation
- K(b);P-FLIGHT,XB(G)
- Try
- P(B);
- Vars
- K(b);S_FLIGHT::B(F)
- S(a);::S(A)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Actual
- B(G);
- Vars
- K(b);P_SPINS(a),S_FLIGHT::S(A)
- K(b);P-FLIGHT,XB(G)::QAR2(K)
- K(b);S_FLIGHT::B(F)
- S(a);SBLOCK,XB(G)::S(A)
- S(a);::QAR1(K)
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).