MESON Chess Problem Database
Problem Display
PID: 59703 (6n1/5pNP/1r1n4/b1Rp1p2/3kPK2/B1pp1Pp1/1p4r1/NB1RQbq1 w - - 0 1)
Retter, Yosef
Variantim, 2005
#2
11 + 15
SOLUTION
- SOUND
- Sets
- 1...Qh2
- 2.Qe3#
- 1...Qe3+
- 2.Qxe3#
- 1...Qh1
- 2.Qe3#
- 1...Rc2
- 2.Sxc2#
- 1...Re2
- 2.Rxd3#
- 1...Rf2
- 2.Qe3#
- 1...Rb3
- 2.Sxb3#
- 1...Rb4
- 2.Qxc3#
- 1...Ra6
- 2.Sb3#
- 1...Rc6
- 2.Sb3#
- 1...Be2
- 2.Sc2#
- 1...Bb4
- 2.Sb3#
- 1...Sc4
- 2.Sxf5#
- 2.Rxd5#
- 1...Sxe4
- 2.Sxf5#
- 1...Sb5
- 2.Sb3#
- 2.Sxf5#
- 1...Sb7
- 2.Sxf5#
- 1...Sc8
- 2.Sxf5#
- 1...Se8
- 2.Sxf5#
- 1...f6
- 2.Se6#
- 1...Qh2
- Tries
- 1.Bxd3?
- threat
- 2.Be2#
- 2.Rxd5#
- 1...Qe3+
- 2.Qxe3#
- 1...Sxe4
- 2.Sxf5#
- 1...bxa1Q
- 2.Rxd5#
- 1...bxa1R
- 2.Rxd5#
- 1...dxe4
- 2.Be2#
- 1...fxe4
- 2.Be2#
- 1...Rd2
- 2.Rxd5#
- 1...Rb4
- 2.Rxd5#
- 2.Qxc3#
- 1...Bb4
- 2.Sb3#
- 2.Rxd5#
- 1...b1Q
- 2.Rxd5#
- 1...b1S
- 2.Rxd5#
- 1...b1B
- 2.Rxd5#
- 1...b1R
- 2.Rxd5#
- 1...Rc2
- 2.Sxc2#
- 2.Rxd5#
- 1...Re2
- 2.Bxe2#
- 2.Rxd5#
- 1...Rb5
- 2.Be2#
- 1...Be2
- 2.Sc2#
- 2.Bxe2#
- 2.Rxd5#
- 1...Sc4
- 2.Sxf5#
- 2.Rxd5#
- 1...Sf6
- 2.Be2#
- 1...Se7
- 2.Be2#
- 1...c2
- 2.Rxd5#
- 1...Bxd3!
- threat
- 1.Qe2?
- threat
- 2.Sc2#
- 2.Rxd3#
- 1...Qe3+
- 2.Qxe3#
- 1...Rxe2
- 2.Rxd3#
- 1...Bxe2
- 2.Sc2#
- 1...bxa1Q
- 2.Rxd3#
- 1...bxa1S
- 2.Rxd3#
- 1...bxa1B
- 2.Rxd3#
- 1...bxa1R
- 2.Rxd3#
- 1...dxe4
- 2.Sc2#
- 1...fxe4
- 2.Sc2#
- 1...Bb4
- 2.Sb3#
- 1...c2
- 2.Sxc2#
- 2.Rxd3#
- 1...d2
- 2.Sc2#
- 2.Rxd5#
- 1...Rb4!
- threat
- 1.h8Q?
- threat
- 2.Sxf5#
- 2.Se6#
- 1...Qe3+
- 2.Qxe3#
- 1...fxe4
- 2.Sf5#
- 2.Se6#
- 1...Rb4
- 2.Se6#
- 2.Qxc3#
- 1...Bb4
- 2.Sb3#
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Sf6!
- threat
- 1.h8B?
- threat
- 2.Sxf5#
- 2.Se6#
- 1...Qe3+
- 2.Qxe3#
- 1...fxe4
- 2.Sf5#
- 2.Se6#
- 1...Rb4
- 2.Se6#
- 2.Qxc3#
- 1...Bb4
- 2.Sb3#
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Sf6!
- threat
- 1.Bxd3?
- Keys
- 1.exd5!
- threat
- 2.Qe5#
- 1...Qe3+
- 2.Qxe3#
- 1...Rb4
- 2.Qxc3#
- 1...Bb4
- 2.Sb3#
- 1...Re2
- 2.Rxd3#
- 1...Be2
- 2.Sc2#
- 1...Sc4
- 2.Sxf5#
- 1...Se4
- 2.Sxf5#
- 1...f6
- 2.Se6#
- threat
- 1.exd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(b);N_GUARD::QAB1(D)
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- R(d);N_GUARD::S(A),XR(d)
- R(d);S_CUTB(a)::R1(C),XP(f)
- R(d);P_PINP(F),S_CUTQ(b)::QAB1(D)
- R(l);N_GUARD::S(A),XR(l)
- R(l);S_CUTB(i)::QAB1(D),XP(e)
- R(l);N_GUARD::S(A)
- B(a);S_CUTR(d)::S(A)
- B(i);S_CUTR(l)::S(A)
- S(m);N_GUARD,XP(G)::S(J),XP(k)
- S(m);N_GUARD::S(J),XP(k)
- P(n);N_GUARD::S(J)
- Tries
- Try
- B(B);XP(f)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- S(m);N_GUARD,XP(G)::S(J),XP(k)
- P(c);XS(A)::R1(I),XP(j)
- P(j);XP(G)::R(C)+B(B)
- P(k);XP(G)::R(C)+B(B)
- R(d);::R1(I),XP(j)
- P(c);::R1(I),XP(j)
- R(l);::R(C)+B(B)
- S(o);::R(C)+B(B)
- P(e);::R1(I),XP(j)
- Refutation
- B(a);P_SPINB(a),XB(B)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- R(d);XQ(D)::R1(C),XP(f)
- B(a);XQ(D)::S(A)
- P(c);XS(A)::R1(C),XP(f)
- P(j);XP(G)::S(A)
- P(k);XP(G)::S(A)
- B(i);S_CUTR(l)::S(A)
- Refutation
- R(l);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- P(n);::S(J)
- Refutation
- S(o);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- P(n);::S(J)
- Refutation
- S(o);
- Try
- Actual
- P(G);XP(j)
- Threat
- QAB1(D)
- Vars
- Q(b);CHECK,N_GUARD::QAB1(D),XQ(b)
- R(l);S_CUTB(i)::QAB1(D),XP(e)
- B(i);S_CUTR(l)::S(A)
- R(d);S_CUTB(a)::R1(C),XP(f)
- B(a);S_CUTR(d)::S(A)
- S(m);N_GUARD::S(J),XP(k)
- P(n);N_GUARD::S(J)
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