MESON Chess Problem Database
Problem Display
PID: 23911 (3R4/4n3/b1nB4/2rpNpK1/3k4/NP3Q2/2BPR3/5rb1 w - - 0 1)
Prcic, Mike
diagrammes, 1997
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qf4#
- 1...Rb1
- 2.Qf4#
- 1...Rc1
- 2.Qf4#
- 1...Rd1
- 2.Qf4#
- 1...Re1
- 2.Qf4#
- 1...Rf2
- 2.Qe3#
- 1...Rxf3
- 2.Sxf3#
- 1...Rxc2
- 2.Sxc2#
- 1...Rc3
- 2.Qxc3#
- 2.dxc3#
- 1...Rc4
- 2.Qd3#
- 1...Ra5
- 2.Qc3#
- 1...Rb5
- 2.Qc3#
- 2.Qd3#
- 1...Bf2
- 2.Qf4#
- 1...Bh2
- 2.Qe3#
- 1...Be3+
- 2.Qxe3#
- 1...Bd3
- 2.Qxd3#
- 1...Bc4
- 2.Qc3#
- 1...Bb7
- 2.Qd3#
- 1...Bc8
- 2.Qd3#
- 1...Sxe5
- 2.Bxe5#
- 1...Ra1
- Tries
- 1.Sac4?
- threat
- 2.Qc3#
- 2.Qd3#
- 1...Be3+
- 2.Qxe3#
- 1...Rxf3
- 2.Sxf3#
- 1...Rxc4
- 2.Qd3#
- 1...Bxc4
- 2.Qc3#
- 1...Sxe5
- 2.Bxe5#
- 2.Qc3#
- 1...Sb4
- 2.Qc3#
- 1...dxc4!
- threat
- 1.Sb5+?
- 1...Rxb5
- 2.Qc3#
- 2.Qd3#
- 1...Bxb5!
- 1...Rxb5
- 1.Sec4?
- threat
- 2.Qc3#
- 2.Qd3#
- 1...Be3+
- 2.Qxe3#
- 1...Rxc4
- 2.Qd3#
- 1...Bxc4
- 2.Qc3#
- 1...dxc4
- 2.Be5#
- 1...Sb4
- 2.Be5#
- 2.Qc3#
- 1...Se5
- 2.Bxe5#
- 2.Qc3#
- 1...Rxf3!
- threat
- 1.Rf2?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Rxf2
- 2.Qe3#
- 1...Bxf2
- 2.Qf4#
- 1...Rc3
- 2.Qxc3#
- 2.Qf4#
- 2.dxc3#
- 1...Bh2
- 2.Qe3#
- 1...Bd3
- 2.Qxd3#
- 2.Qe3#
- 1...Sg6
- 2.Qe3#
- 1...f4
- 2.Qxf4#
- 1...Re1!
- threat
- 1.Qxf1?
- threat
- 2.Sf3#
- 2.Qxg1#
- 2.Qf4#
- 1...Rxc2
- 2.Sxc2#
- 2.Qxg1#
- 2.Qf4#
- 1...Bxe2
- 2.Qxg1#
- 2.Qf4#
- 1...Sxe5
- 2.Bxe5#
- 2.Qxg1#
- 2.Qf4#
- 1...Rc3
- 2.Qf4#
- 1...Bf2
- 2.Sf3#
- 2.Qxf2#
- 1...Bh2
- 2.Sf3#
- 2.Qf2#
- 1...Bd3
- 2.Sf3#
- 2.Qxg1#
- 1...Sg6
- 2.Sf3#
- 2.Qxg1#
- 1...f4
- 2.Sf3#
- 2.Qxg1#
- 2.Qxf4#
- 1...Be3+!
- threat
- 1.Qf2+?
- 1...Bxf2
- 2.Sf3#
- 1...Rxf2!
- 1...Bxf2
- 1.Sac4?
- Keys
- 1.Sd7!
- threat
- 2.Bxc5#
- 1...Be3+
- 2.Qxe3#
- 1...Rxc2
- 2.Sxc2#
- 1...Rc3
- 2.Qxc3#
- 2.dxc3#
- 1...Rc4
- 2.Qd3#
- 1...Ra5
- 2.Qc3#
- 1...Rb5
- 2.Qc3#
- 2.Qd3#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD::QAR2(F)
- R(a);S_CUTB(b)::QAB1(F)
- R(a);XQ(F)::S(G),XR(a)
- R(d);XB(A)::S(D),XR(d)
- R(d);S_CUTB(g)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
- B(b);S_CUTR(a)::QAR2(F)
- B(b);N_GUARD::QAB1(F)
- B(b);CHECK,N_GUARD::QAB1(F),XB(b)
- B(g);N_GUARD::QAR1(F),XB(g)
- B(g);S_CUTR(d)::QAB1(F)
- B(g);N_GUARD::QAR1(F)
- S(h);OGATE,XS(G)::B(I),XS(h)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAB1(F),XB(b)
- R(a);XQ(F)::S(G),XR(a)
- R(d);XS(D)::QAR1(F)
- B(g);XS(D)::QAB1(F)
- S(h);::QAB1(F)
- Refutation
- P(e);XS(D)
- Try
- S(D);CHECK
- Refutation
- B(g);XS(D)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,N_GUARD::QAB1(F),XB(b)
- R(d);XS(G)::QAR1(F)
- B(g);XS(G)::QAB1(F)
- P(e);XS(G)::R(J)+B(I),DCHECK
- Refutation
- R(a);XQ(F)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(a);XR(C)::QAB1(F)
- B(b);XR(C)::QAR2(F)
- B(b);::QAB1(F)
- S(i);::QAB1(F)
- P(f);::QAR2(F),XP(f)
- Refutation
- R(a);
- Try
- Q(F);XR(a)
- Threat
- DUALS(3)
- Vars
- R(d);::QAR2(F)
- Refutation
- B(b);CHECK
- Try
- Q(F);CHECK
- Vars
- B(b);XQ(F)::S(G)
- Refutation
- R(a);XQ(F)
- Try
- Actual
- S(G);
- Threat
- B(I),XR(d)
- Vars
- B(b);CHECK,N_GUARD::QAB1(F),XB(b)
- R(d);XB(A)::S(D),XR(d)
- R(d);S_CUTB(g)::QAR1(F)
- R(d);N_GUARD::QAB1(F)
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