MESON Chess Problem Database
Problem Display
PID: 11377 (2n1R3/3N4/2r1p3/Q2N3K/1p1k1bR1/1P1p1P1n/3rp1P1/3BB3 w - - 0 1)
de Waepenaere, J
Chess, 1938
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Qxc5#
- 1...Ra6
- 2.Qc5#
- 1...Rb6
- 2.Qc5#
- 1...Rd6
- 2.Qc5#
- 1...Sg1
- 2.Bf2#
- 2.Rxf4#
- 1...Sf2
- 2.Bxf2#
- 1...Sg5
- 2.Bf2#
- 1...Rc5
- Tries
- 1.Sc3?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kxc3
- 2.Qa1#
- 1...e5
- 2.Qxe5#
- 1...Ke3!
- threat
- 1.Se3?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 1...e5
- 2.Qxe5#
- 1...Kxe3!
- threat
- 1.Sxf4?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 2.Qe5#
- 1...Ke3
- 2.Sd5#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Sxf4+!
- threat
- 1.S5b6?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 1...e5
- 2.Qxe5#
- 1...Ke3!
- threat
- 1.S5f6?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 1...e5
- 2.Qxe5#
- 1...Ke3!
- threat
- 1.Sc7?
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 1...e5
- 2.Qxe5#
- 1...Ke3!
- threat
- 1.Rxe6?
- threat
- 2.Re4#
- 1...Rxe6
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Sf2
- 2.Bxf2#
- 1...Sg5
- 2.Bf2#
- 1...Sd6!
- threat
- 1.Qxb4+?
- 1...Rc4
- 2.Qxc4#
- 1...Kxd5!
- 1...Rc4
- 1.gxh3?
- threat
- 2.Bf2#
- 2.Rxf4#
- 1...exd1Q
- 2.Rxf4#
- 1...exd1S
- 2.Rxf4#
- 1...exd1B
- 2.Rxf4#
- 1...exd1R
- 2.Rxf4#
- 1...Rc5
- 2.Qxc5#
- 1...Sd6
- 2.Bf2#
- 1...e5
- 2.Bf2#
- 1...exd5!
- threat
- 1.Sc3?
- Keys
- 1.Se7!
- threat
- 2.Qe5#
- 1...Rc5+
- 2.Qxc5#
- 1...Kc3
- 2.Qa1#
- 1...Ke3
- 2.Sf5#
- 1...e5
- 2.Qxe5#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(h);N_GUARD,P_PINS(H)::QAB1(G),XR(h)
- R(h);N_GUARD::QAB1(G)
- S(d);N_GUARD::B(B),XS(d)
- S(d);N_GUARD::B(B)
- Tries
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),OGATEB,P_SPINP(e),P_SPINR(a),S_FLIGHT,XS(H)::QAB(G)
- P(i);::QAB1(G),XP(i)
- Refutation
- K(f);N_SPINB(g),P_SPINP(i),S_FLIGHT
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),P_SPINP(e),P_SPINR(a),S_FLIGHT::QAB(G)
- P(i);::QAB1(G),XP(i)
- Refutation
- K(f);N_SPINB(g),P_SPINP(i),S_FLIGHT,XS(H)
- Try
- S(H);XB(g)
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- P(i);::QAB1(G),XP(i)
- Refutation
- S(d);CHECK,P_SPINS(d),XS(H)
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),P_SPINP(e),P_SPINR(a),S_FLIGHT::QAB(G)
- P(i);::QAB1(G),XP(i)
- Refutation
- K(f);N_SPINB(g),P_SPINP(i),S_FLIGHT
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),P_SPINP(e),P_SPINR(a),S_FLIGHT::QAB(G)
- P(i);::QAB1(G),XP(i)
- Refutation
- K(f);N_SPINB(g),P_SPINP(i),S_FLIGHT
- Try
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),P_SPINP(e),P_SPINR(a),S_FLIGHT::QAB(G)
- P(i);::QAB1(G),XP(i)
- Refutation
- K(f);N_SPINB(g),P_SPINP(i),S_FLIGHT
- Try
- R(K);XP(i)
- Threat
- R1(K)
- Vars
- R(h);N_GUARD,XR(K)::QAB1(G)
- R(h);N_GUARD,P_PINS(H)::QAB1(G),XR(h)
- S(d);N_GUARD::B(B),XS(d)
- S(d);N_GUARD::B(B)
- Refutation
- S(j);
- Try
- Q(G);CHECK,XP(e)
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAR1(G),XR(h)
- Refutation
- K(f);N_SPINB(g),P-FLIGHT,XS(H)
- Try
- P(C);XS(d)
- Threat
- DUALS(2)
- Vars
- P(b);XB(A)::R(F),XB(g)
- R(h);N_GUARD,P_PINS(H)::QAB1(G),XR(h)
- S(j);::B(B)
- P(i);::B(B)
- Refutation
- P(i);XS(H)
- Try
- Actual
- S(H);
- Threat
- QAB1(G)
- Vars
- R(h);CHECK,N_GUARD::QAB1(G),XR(h)
- K(f);N_SPINB(g),P_SPINP(e),P_SPINR(a),S_FLIGHT::QAB(G)
- K(f);N_SPINB(g),S_FLIGHT::S(H)
- P(i);::QAB1(G),XP(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).