MESON Chess Problem Database
Problem Display
PID: 252314 (8/8/3B4/8/6p1/6pk/4K2p/7Q w - - 0 1)
Chernikh, Vassily
Zadachi i Etyudi, 2004
#2
3 + 4
SOLUTION
- SOUND
- Sets
- 1...g2
- 2.Qxh2#
- 1...g2
- Tries
- 1.Kd1?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Ke1?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Kd2?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Kd3?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Ke3?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Bf4?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Be5?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Bc7?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Bb8?
- 1...g2
- 2.Qxh2#
- 1...Kh4!
- 1...g2
- 1.Qe4?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh7#
- 1...Kh4!
- 1...h1Q
- 1.Qd5?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh5#
- 1...Kh4!
- 1...h1Q
- 1.Qb7?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh7#
- 1...Kh4!
- 1...h1Q
- 1.Qa8?
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh8#
- 1...Kh4!
- 1...h1Q
- 1.Qa1?
- 1...Kg2
- 2.Qf1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh8#
- 1...Kh4!
- 1...Kg2
- 1.Qb1?
- 1...Kg2
- 2.Qf1#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh7#
- 1...Kh4!
- 1...Kg2
- 1.Qe1?
- threat
- 2.Qxg3#
- 1...Kg2
- 2.Qf1#
- 1...h1S
- 2.Qxh1#
- 1...g2
- 2.Qg3#
- 1...Kh4!
- threat
- 1.Kd1?
- Keys
- 1.Qc1!
- 1...Kg2
- 2.Qf1#
- 1...Kh4
- 2.Qh6#
- 1...h1Q
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R
- 2.Qxh1#
- 1...g2
- 2.Qh6#
- 1...Kg2
- 1.Qc1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- P(b);N_GUARD::QAR1(A),XP(a)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- K(B);S_FLIGHT
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- K(B);P-FLIGHT
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- B(C);
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- B(C);
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- B(C);
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- B(C);
- Vars
- P(b);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Vars
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- Q(A);N_PINP(a)
- Vars
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR2(A)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Vars
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Vars
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Vars
- K(c);N_GUARD,S_CUTP(b),S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Vars
- K(c);N_GUARD,S_CUTP(b),S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
- Refutation
- K(c);P-FLIGHT
- Try
- Q(A);N_PINP(a)
- Threat
- QAR1(A),XP(b)
- Vars
- K(c);N_GUARD,S_CUTP(b),S_FLIGHT::QAB1(A)
- P(a);OGATEB::QAR2(A),XS(a)
- P(b);::QAR1(A)
- Refutation
- K(c);P-FLIGHT,P_SPINP(b)
- Try
- Actual
- Q(A);N_PINP(a)
- Vars
- K(c);N_GUARD,S_CUTP(b),S_FLIGHT::QAB1(A)
- K(c);N_GUARD,P-FLIGHT::QAR2(A)
- P(a);OGATEB::QAR2(A),XQ(a)
- P(a);OGATEB::QAR2(A),XS(a)
- P(a);OGATEB::QAR2(A),XB(a)
- P(a);OGATEB::QAR2(A),XR(a)
- P(b);SBLOCK::QAR(A)
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).