MESON Chess Problem Database
Problem Display
PID: 276647 (3Q2Bn/1K6/1Rp1r3/p1kp4/P1pp4/1Pr1NN2/8/2R3B1 w - - 0 1)
Svitek, Miroslav
Best Problems, 2023
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Re7+
- 2.Qxe7#
- 1...Re7+
- Tries
- 1.Sxc4?
- threat
- 2.Bxd4#
- 1...Re7+
- 2.Qxe7#
- 1...Rxf3
- 2.Se3#
- 1...Rce3
- 2.Sxe3#
- 1...Ree3
- 2.Qd6#
- 1...Re4
- 2.Qd6#
- 1...Rd3!
- threat
- 1.Qf8+?
- 1...Re7+
- 2.Qxe7#
- 1...Rd6!
- 1...Re7+
- 1.Sxc4?
- Keys
- 1.Sxd5!
- threat
- 2.Bxd4#
- 1...Re7+
- 2.Qxe7#
- 1...Rxf3
- 2.Rxc4#
- 1...cxb3
- 2.Rxc3#
- 1...Rd3
- 2.Rxc4#
- 1...Rce3
- 2.Rxc4#
- 1...Ree3
- 2.Rxc6#
- 1...Re4
- 2.Rxc6#
- threat
- 1.Sxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(h);CHECK,N_GUARD::QAB(I),XR(h)
- Tries
- Try
- S(D);P_PINP(c),XP(b)
- Threat
- B(B),XP(c)
- Vars
- R(h);CHECK,N_GUARD::QAB(I),XR(h)
- R(a);XS(E)::R(A)+S(D)
- R(a);N_SPINP(c)::R(A)+S(D),XR(a)
- R(h);N_GUARD,N_SPINP(c)::QAB1(I)
- R(h);N_GUARD::QAB1(I)
- Refutation
- R(a);
- Try
- Q(I);CHECK
- Vars
- R(h);CHECK,N_GUARD,P_SPINR(h)::QAB(I),XR(h)
- Refutation
- R(h);P_SPINR(h)
- Try
- Actual
- S(D);P_PINP(c),XP(f)
- Threat
- B(B),XP(c)
- Vars
- R(h);CHECK,N_GUARD::QAB(I),XR(h)
- R(a);N_SPINP(c),OGATE,P_SPINP(b),XS(E)::R1(A),XP(b)
- P(b);OGATEB,P_SPINR(a),XP(C)::R(A),XR(a)
- R(a);N_SPINP(c),OGATE,P_SPINP(b)::R1(A),XP(b)
- R(h);N_GUARD,N_SPINP(c)::R1(G),XP(g)
- R(h);N_GUARD::R1(G),XP(g)
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).