MESON Chess Problem Database
Problem Display
PID: 173904 (3r2rq/b3Q2p/7P/4N1RK/5kPn/3B1PRb/2PP1p1P/2B2N1n w - - 0 1)
Kiss, Janos
Boletim da UBP, 1985
#2
14 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd3
- 2.Sxd3#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Be3
- 2.dxe3#
- 1...Sxg3+
- 2.hxg3#
- 1...Sg2
- 2.Rf5#
- 1...Sxf3
- 2.Rxf3#
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sg6
- 2.Rf5#
- 1...Qxe5
- Tries
- 1.Sg6+?
- 1...Rxg6
- 2.Qe4#
- 1...Sxg6
- 2.Rf5#
- 2.Qe4#
- 1...hxg6+!
- 1...Rxg6
- 1.Be2?
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxf3!
- threat
- 1.Bc4?
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxf3!
- threat
- 1.Be4?
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Rxd2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxf3!
- threat
- 1.Bb5?
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxf3!
- threat
- 1.Ba6?
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxf3!
- threat
- 1.Bg6?
- threat
- 2.d4#
- 1...Bxg4+
- 2.R3xg4#
- 2.R5xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Sxf3
- 2.Rxf3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...hxg6+!
- threat
- 1.Qf6+?
- 1...Sf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Qxf6!
- 1...Sf5
- 1.Qf7+?
- 1...Sf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Qf6!
- 1...Sf5
- 1.Sg6+?
- Keys
- 1.Bxh7!
- threat
- 2.d4#
- 1...Rxg5+
- 2.Qxg5#
- 1...Bxg4+
- 2.R3xg4#
- 1...Sxg3+
- 2.hxg3#
- 1...Qxe5
- 2.Qxe5#
- 1...Rxd2
- 2.Sd3#
- 1...Sxf3
- 2.Rxf3#
- 1...Rd3
- 2.Sxd3#
- 1...Rd4
- 2.d3#
- 1...Be3
- 2.dxe3#
- 1...Bd4
- 2.Sd3#
- 1...Sg2
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- threat
- 1.Bxh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);XB(F)::S(J),XR(h)
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- B(f);OGATE::P(D),XB(f)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Tries
- Try
- S(J);CHECK
- Vars
- R(i);XS(J)::QAR1(N)
- Refutation
- P(g);CHECK,P_PINP(M),XS(J)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- S(e);XP(G)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- S(e);XP(G)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- S(e);XP(G)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- S(e);XP(G)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- S(e);XP(G)
- Try
- B(F);
- Threat
- B(A)+P(D)
- Vars
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- S(e);OGATE,XP(G)::R1(H),XS(e)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),XS(e)
- Refutation
- P(g);CHECK,P_PINP(M),XB(F)
- Try
- Q(N);CHECK
- Refutation
- Q(j);XQ(N)
- Try
- Q(N);CHECK
- Refutation
- Q(j);P_SPINQ(j)
- Try
- Actual
- B(F);XP(g)
- Threat
- B(A)+P(D)
- Vars
- R(i);CHECK,OGATE,XR(K)::QAB1(N),XR(i)
- B(c);CHECK,OGATE,XP(I)::R1(H),XB(c)
- S(a);CHECK,OGATE,XR(H)::P(E),XS(a)
- Q(j);OGATE,P_PINR(K),XS(J)::QAB1(N),XQ(j)
- R(h);N_GUARD,P_SPINR(h),XP(D)::S(J)
- S(e);OGATE,XP(G)::R1(H),XS(e)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(f)::B(A)+P(D)
- B(f);OGATE::P(D),XB(f)
- B(f);S_CUTR(h)::S(J)
- S(e);N_GUARD::R1(K)
- S(e);N_GUARD::R1(K),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).