MESON Chess Problem Database
Problem Display
PID: 214836 (2Q5/2N2p2/R2p1K2/1pkp4/2pR4/8/2B2P2/8 w - - 0 1)
Galnyak, Iosip
Zadachi i Etyudi, 1998
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Kb4
- 2.Sxd5#
- 1...Kxd4
- 2.Sxb5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kb4
- Tries
- 1.Kf5?
- 1...Kb4
- 2.Sxd5#
- 1...Kxd4
- 2.Sxb5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...f6!
- 1...Kb4
- 1.Kxf7?
- 1...Kb4
- 2.Sxd5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kxd4!
- 1...Kb4
- 1.Bb1?
- 1...Kxd4
- 2.Sxb5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kb4!
- 1...Kxd4
- 1.Bd1?
- 1...Kb4
- 2.Sxd5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kxd4!
- 1...Kb4
- 1.Bf5?
- 1...Kxd4
- 2.Sxb5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kb4!
- 1...Kxd4
- 1.Bh7?
- 1...Kxd4
- 2.Sxb5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kb4!
- 1...Kxd4
- 1.Rd1?
- threat
- 2.Sxd5#
- 1...Kb4
- 2.Sxd5#
- 1...b4
- 2.Rxd5#
- 1...d4!
- threat
- 1.Rd2?
- threat
- 2.Sxd5#
- 1...Kb4
- 2.Sxd5#
- 1...b4
- 2.Rxd5#
- 1...d4!
- threat
- 1.Rc6+?
- 1...Kxd4
- 2.Sxb5#
- 1...Kxc6
- 2.Sxd5#
- 2.Sa8#
- 1...Kb4!
- 1...Kxd4
- 1.Qg4?
- 1...c3
- 2.Rxd5#
- 1...b4
- 2.Rxd5#
- 1...Kb4!
- 1...c3
- 1.f3?
- 1...Kb4
- 2.Sxd5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kxd4!
- 1...Kb4
- 1.f4?
- 1...Kb4
- 2.Sxd5#
- 1...c3
- 2.Se6#
- 1...b4
- 2.Rxd5#
- 1...Kxd4!
- 1...Kb4
- 1.Kf5?
- Keys
- 1.Qh3!
- 1...Kb4
- 2.Qa3#
- 1...Kxd4
- 2.Qe3#
- 1...c3
- 2.Qxc3#
- 1...b4
- 2.Rxd5#
- 1...Kb4
- 1.Qh3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- P(f);
- Try
- K(E);P-FLIGHT,XP(f)
- Vars
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- B(A);
- Vars
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- B(A);
- Vars
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- B(A);
- Vars
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- B(A);
- Vars
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- R(C);
- Threat
- QAR(G)+S(F),XP(d)
- Vars
- K(c);S_FLIGHT::S(F),XP(d)
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(C);
- Threat
- QAR(G)+S(F),XP(d)
- Vars
- K(c);S_FLIGHT::S(F),XP(d)
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- P(d);
- Try
- R(D);CHECK
- Vars
- K(c);S_FLIGHT,XR(C)::S(F),XP(b)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- Q(G);
- Vars
- P(a);::R1(C),XP(d)
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);P_SPINP(a),S_FLIGHT
- Try
- P(B);
- Vars
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- P(B);
- Vars
- K(c);P_SPINP(a),S_FLIGHT::S(F),XP(d)
- P(a);::QAR(G)+S(F),DCHECK
- P(b);SBLOCK::R1(C),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(C)
- Try
- Actual
- Q(G);
- Vars
- K(c);P_SPINP(a),S_FLIGHT::QAB1(G)
- K(c);OGATEB,S_FLIGHT,XR(C)::QAB1(G)
- P(a);OGATEB::QAR2(G),XP(a)
- P(b);SBLOCK::R1(C),XP(d)
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).