MESON Chess Problem Database
Problem Display
PID: 63144 (3RRb2/4p1pp/1p1N2br/4k1Pp/1p2pr1P/1B2QP1n/2K4B/8 w - - 0 1)
Labai, Zoltan
Markovtsy, Vassyl Yuriovich
1st Comm., The Problemist, 2005
#2
10 + 13
SOLUTION
- SOUND
- Sets
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Bxe8
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Bf5
- Tries
- 1.Kb1?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Kc1?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Kb2?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Kd2?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Sb5?
- 1...Bxe8
- 2.Qxe4#
- 1...Sxg5
- 2.Qxf4#
- 1...Bf5
- 2.Qd4#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...e6
- 2.Rd5#
- 1...Kf5!
- 1...Bxe8
- 1.Sb7?
- 1...Bxe8
- 2.Qxe4#
- 1...Sxg5
- 2.Qxf4#
- 1...Bf5
- 2.Qd4#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rd5#
- 1...Kf5!
- 1...Bxe8
- 1.Sf7+?
- 1...Bxf7
- 2.Qxe4#
- 1...Kf5!
- 1...Bxf7
- 1.Sc8?
- 1...Bxe8
- 2.Qxe4#
- 1...Sxg5
- 2.Qxf4#
- 1...Bf5
- 2.Qd4#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rd5#
- 1...Kf5!
- 1...Bxe8
- 1.Bg3?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Rd7?
- 1...Bxe8
- 2.Qxe4#
- 1...Bf5
- 2.Sf7#
- 1...Bf7
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rxe6#
- 1...Sxg5!
- 1...Bxe8
- 1.Rxf8?
- 1...Sxg5
- 2.Bxf4#
- 1...Bf5
- 2.Sf7#
- 2.Rxf5#
- 1...Bf7
- 2.Qxe4#
- 1...Be8
- 2.Rf5#
- 2.Qxe4#
- 1...Sg1
- 2.Bxf4#
- 1...Sf2
- 2.Bxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Sc4#
- 1...exd6!
- 1...Sxg5
- 1.Qxf4+?
- 1...Kd4
- 2.Sxe4#
- 2.Sb7#
- 1...Sxf4!
- 1...Kd4
- 1.Kb1?
- Keys
- 1.Sxe4!
- 1...Bxe4+
- 2.Qxe4#
- 1...Kf5
- 2.Sg3#
- 1...Bxe8
- 2.Sd6#
- 1...Sxg5
- 2.Qxf4#
- 1...Bf5
- 2.Qd4#
- 1...Bf7
- 2.Sd6#
- 1...Sg1
- 2.Qxf4#
- 1...Sf2
- 2.Qxf4#
- 1...b5
- 2.Qc5#
- 1...e6
- 2.Rd5#
- 1...Bxe4+
- 1.Sxe4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 6
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- K(A);P-FLIGHT
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- K(A);P-FLIGHT
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- K(A);P-FLIGHT
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- S(H);
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- S(a);N_GUARD,XP(G)::QAB1(D),XR(d)
- B(h);SBLOCK::QAB1(D)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::QAB1(D),XR(d)
- P(j);::R1(I)
- Refutation
- K(e);N_SPINP(c),N_SPINR(d),P-FLIGHT
- Try
- S(H);
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- S(a);N_GUARD,XP(G)::QAB1(D),XR(d)
- B(h);SBLOCK::QAB1(D)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::QAB1(D),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);::R1(I)
- Refutation
- K(e);N_SPINP(c),N_SPINR(d),P-FLIGHT
- Try
- S(H);CHECK
- Vars
- B(h);XS(H)::QAR1(D),XP(c)
- Refutation
- K(e);N_SPINP(c),N_SPINR(d),P-FLIGHT
- Try
- S(H);
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- S(a);N_GUARD,XP(G)::QAB1(D),XR(d)
- B(h);SBLOCK::QAB1(D)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::QAB1(D),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);::R1(I)
- Refutation
- K(e);N_SPINP(c),N_SPINR(d),P-FLIGHT
- Try
- B(B);
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- R(I);
- Vars
- B(h);N_GUARD,XR(J)::QAR1(D),XP(c)
- B(h);N_GUARD,SBLOCK::S(H)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);OGATE::R1(J),XP(j)
- Refutation
- S(a);XP(G)
- Try
- R(J);XB(m)
- Vars
- S(a);N_GUARD,XP(G)::B(B),XR(d)
- B(h);N_GUARD::QAR1(D),XP(c)
- S(a);N_GUARD::B(B),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);SBLOCK::S(H)
- Refutation
- P(j);XS(H)
- Try
- Q(D);CHECK,N_PINP(c),P_PINP(j),XR(d)
- Refutation
- S(a);P_SPINS(a),XQ(D)
- Try
- Actual
- S(H);P_PINP(j),P_SPINS(H),XP(c)
- Vars
- B(h);CHECK,OGATE,P_SPINB(h),XS(H)::QAR1(D),XB(h)
- K(e);N_PINS(H),N_SPINP(j),N_SPINR(d),P-FLIGHT::S(H)
- B(h);N_PINS(H),N_SPINP(j),XR(J)::QAR(D)+S(H)
- S(a);N_GUARD,XP(G)::QAB1(D),XR(d)
- B(h);SBLOCK::QAB1(D)
- B(h);N_PINS(H)::QAR(D)+S(H)
- S(a);N_GUARD::QAB1(D),XR(d)
- P(g);N_GUARD::QAR2(D)
- P(j);::R1(I)
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).