MESON Chess Problem Database
Problem Display
PID: 200421 (8/rN6/4n3/4R3/p1b5/PkBPR3/1Pp1B3/K2Q4 w - - 0 1)
Markovtsy, Vassyl Yuriovich
1st HM., Sachova skladba, 1999
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Sxa5#
- 1...Bb5
- 2.Rxb5#
- 1...Ba6
- 2.Sa5#
- 1...Sd4
- 2.Sc5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sg5
- 2.Sc5#
- 1...Sc7
- 2.Sc5#
- 1...Sg7
- 2.Sc5#
- 1...Sd8
- 2.Sc5#
- 1...Sf8
- 2.Sc5#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...Ra5
- Tries
- 1.Bd2?
- threat
- 2.dxc4#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...Bb5
- 2.Rxb5#
- 1...Bd5
- 2.d4#
- 1...Ba6
- 2.Sa5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Bxd3!
- threat
- 1.Bb4?
- threat
- 2.dxc4#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...Bxd3
- 2.Qxd3#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...Bd5
- 2.d4#
- 1...Ba6
- 2.Sa5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Bb5!
- threat
- 1.Bd4?
- threat
- 2.dxc4#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...Bxd3
- 2.Qxd3#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...Bb5
- 2.Rxb5#
- 1...Ba6
- 2.Sa5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Bd5!
- threat
- 1.Ba5?
- threat
- 2.dxc4#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...Bxd3
- 2.Qxd3#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...Bb5
- 2.Rxb5#
- 1...Bd5
- 2.d4#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Ba6!
- threat
- 1.Bd2?
- Keys
- 1.Be1!
- threat
- 2.dxc4#
- 1...cxd1Q+
- 2.Bxd1#
- 1...cxd1R+
- 2.Bxd1#
- 1...Bxd3
- 2.Qxd3#
- 1...cxd1S
- 2.Bxd1#
- 1...cxd1B
- 2.Bxd1#
- 1...Bb5
- 2.Rxb5#
- 1...Bd5
- 2.d4#
- 1...Ba6
- 2.Sa5#
- 1...Sf4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- threat
- 1.Be1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(f);N_GUARD::S(J),XR(f)
- B(d);N_GUARD::R(I),XB(d)
- B(d);S_CUTR(f)::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- Tries
- Try
- B(F);
- Threat
- R(H)+P(G),XB(d)
- Vars
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- B(d);N_GUARD::R(I),XB(d)
- B(d);N_GUARD::R(H)+P(G)
- B(d);S_CUTR(f)::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);P_SPINB(d),XP(G)
- Try
- B(F);
- Threat
- R(H)+P(G),XB(d)
- Vars
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- B(d);OGATE,P_SPINB(d),XP(G)::QAR2(B),XB(d)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- B(d);N_GUARD::R(H)+P(G)
- B(d);S_CUTR(f)::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);
- Try
- B(F);
- Threat
- R(H)+P(G),XB(d)
- Vars
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- B(d);OGATE,P_SPINB(d),XP(G)::QAR2(B),XB(d)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- B(d);N_GUARD::R(I),XB(d)
- B(d);S_CUTR(f)::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);
- Try
- B(F);
- Threat
- R(H)+P(G),XB(d)
- Vars
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- B(d);OGATE,P_SPINB(d),XP(G)::QAR2(B),XB(d)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- B(d);N_GUARD::R(I),XB(d)
- B(d);N_GUARD::R(H)+P(G)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
- Refutation
- B(d);
- Try
- Actual
- B(F);
- Threat
- R(H)+P(G),XB(d)
- Vars
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XQ(a)
- P(a);CHECK,N_SPINP(a),OGATE,XQ(B)::B(D),XR(a)
- B(d);OGATE,P_SPINB(d),XP(G)::QAR2(B),XB(d)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XS(a)
- P(a);N_SPINP(a),OGATE,XQ(B)::B(D),XB(a)
- B(d);N_GUARD::R(I),XB(d)
- B(d);N_GUARD::R(H)+P(G)
- B(d);S_CUTR(f)::S(J)
- S(e);N_GUARD::S(J)
- S(e);N_GUARD::S(J),XS(e)
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).