MESON Chess Problem Database
Problem Display
PID: 248117 (3K2b1/B7/2pQ2p1/2rp4/Rn1PkN2/2R1pn1B/1P2P1N1/2r2q2 w - - 0 1)
de Blasio, Francis JC
Commendable Mention, White MT (A), 1952-1953
#2
11 + 11
| 14867 | BCPS Library | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Rxb4#
- 1...Rxc3
- 2.Qxg6#
- 1...Rc4
- 2.Rxe3#
- 2.Qxg6#
- 1...Ra5
- 2.Rxe3#
- 2.Qxg6#
- 1...Rb5
- 2.Rxe3#
- 2.Qxg6#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sxd4
- 2.Rxe3#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sa2
- 2.Rxe3#
- 2.Qxg6#
- 1...Sc2
- 2.Qxg6#
- 1...Sd3
- 2.Qxg6#
- 1...Sa6
- 2.Rxe3#
- 2.Qxg6#
- 1...Kxd4
- Tries
- 1.Sd3?
- threat
- 2.Qf4#
- 1...Kxd4
- 2.Rxb4#
- 2.Qf4#
- 1...Sxd4
- 2.Sxc5#
- 2.Qe5#
- 1...Sxd3
- 2.Qxg6#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...g5!
- threat
- 1.Sh5?
- threat
- 2.Qf4#
- 1...Kxd4
- 2.Rxb4#
- 2.Qf4#
- 1...Sxd4
- 2.Sg3#
- 2.Rxe3#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sd3
- 2.Sg3#
- 2.Sf6#
- 2.Qxg6#
- 1...g5!
- threat
- 1.Se6?
- threat
- 2.Rxe3#
- 2.Qf4#
- 1...Qxe2
- 2.Qf4#
- 1...Qxg2
- 2.Qf4#
- 1...R1xc3
- 2.Qf4#
- 1...R5xc3
- 2.Qf4#
- 1...Bxe6
- 2.Qf4#
- 1...Sxd4
- 2.Sxc5#
- 2.Sg5#
- 2.Rxe3#
- 1...g5
- 2.Rxe3#
- 1...Qg1
- 2.Qf4#
- 1...Qf2
- 2.Qf4#
- 1...Se1
- 2.Rxe3#
- 2.Qe5#
- 1...Sg1
- 2.Rxe3#
- 2.Qe5#
- 1...Sd2
- 2.Rxe3#
- 2.Qe5#
- 1...Sh2
- 2.Rxe3#
- 2.Qe5#
- 1...Sh4
- 2.Rxe3#
- 2.Qe5#
- 1...Se5
- 2.Rxe3#
- 2.Qxe5#
- 1...Sg5
- 2.Rxe3#
- 2.Qe5#
- 1...Sc2
- 2.Sxc5#
- 2.Qf4#
- 1...Sd3!
- threat
- 1.Sxg6?
- threat
- 2.Qf4#
- 1...Kxd4
- 2.Rxb4#
- 2.Qf4#
- 1...Sxd4
- 2.Rxe3#
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- 1...Sd3!
- threat
- 1.Bf5+?
- 1...Kxd4
- 2.Bxc5#
- 2.Rxb4#
- 1...Kxf5
- 2.Qxg6#
- 1...gxf5!
- 1...Kxd4
- 1.Bxc5?
- threat
- 2.Rxe3#
- 2.Qxg6#
- 1...Qxe2
- 2.Qxg6#
- 1...Rxc3
- 2.Qxg6#
- 1...Sxd4
- 2.Rxe3#
- 1...g5
- 2.Rxe3#
- 2.Qg6#
- 1...Qg1
- 2.Qxg6#
- 1...Qf2
- 2.Qxg6#
- 1...Be6
- 2.Rxe3#
- 1...Bf7
- 2.Rxe3#
- 1...Bh7
- 2.Rxe3#
- 1...Sh4
- 2.Rxe3#
- 2.Qe5#
- 1...Se5
- 2.Rxe3#
- 2.Qxe5#
- 1...Sc2
- 2.Qxg6#
- 1...Sd3
- 2.Qxg6#
- 1...Qxg2!
- threat
- 1.Rxb4?
- threat
- 2.Rxe3#
- 2.Qxg6#
- 1...Qxe2
- 2.Qxg6#
- 1...R1xc3
- 2.Qxg6#
- 1...R5xc3
- 2.Qxg6#
- 1...Sxd4
- 2.Rxe3#
- 1...g5
- 2.Rxe3#
- 2.Qg6#
- 1...Qg1
- 2.Qxg6#
- 1...Qf2
- 2.Qxg6#
- 1...Be6
- 2.Rxe3#
- 1...Bf7
- 2.Rxe3#
- 1...Bh7
- 2.Rxe3#
- 1...Sh4
- 2.Rxe3#
- 2.Qe5#
- 1...Se5
- 2.Rxe3#
- 2.Qxe5#
- 1...Qxg2!
- threat
- 1.Qe7+?
- 1...Kxd4
- 2.Bxc5#
- 2.Rxb4#
- 2.Qxe3#
- 1...Se5
- 2.Qxe5#
- 1...Be6!
- 1...Kxd4
- 1.Qe6+?
- 1...Kxd4
- 2.Bxc5#
- 2.Rxb4#
- 2.Qxe3#
- 1...Se5
- 2.Qxe5#
- 1...Bxe6!
- 1...Kxd4
- 1.exf3+?
- 1...Kxd4
- 2.Bxc5#
- 2.Qf6#
- 1...Qxf3
- 2.Qe5#
- 1...Kxf3!
- 1...Kxd4
- 1.Sd3?
- Keys
- 1.Sxd5!
- threat
- 2.Sf6#
- 1...Kxd4
- 2.Rxb4#
- 1...Rxd5
- 2.Rxe3#
- 1...Bxd5
- 2.Qf4#
- 1...Sxd4
- 2.Rxe3#
- 1...Sxd5
- 2.Qxg6#
- 1...cxd5
- 2.Qf4#
- 1...Se1
- 2.Qe5#
- 1...Sg1
- 2.Qe5#
- 1...Sd2
- 2.Qe5#
- 1...Sh2
- 2.Qe5#
- 1...Sh4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Sg5
- 2.Qe5#
- threat
- 1.Sxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- K(f);OGATEB,P-FLIGHT,P_SPINP(h),P_SPINR(g),P_SPINS(e),XP(G)::R(F),XS(e)
- R(g);XR(D)::QAB(I),XP(j)
- S(d);N_GUARD::QAR1(I)
- S(d);SBLOCK,XP(G)::R1(D),XP(c)
- S(d);N_GUARD::QAR1(I),XS(d)
- S(e);::QAB(I),XP(j)
- Tries
- Try
- S(H);
- Threat
- QAR1(I)
- Vars
- S(e);XS(H)::QAB(I),XP(j)
- S(d);N_GUARD::QAR1(I)
- S(d);N_GUARD::QAR1(I),XS(d)
- Refutation
- P(j);
- Try
- S(H);
- Threat
- QAR1(I)
- Vars
- S(d);N_GUARD::QAR1(I)
- S(d);N_GUARD::QAR1(I),XS(d)
- Refutation
- P(j);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(B)::QAR1(I)
- Q(b);XS(C)::QAR1(I)
- R(a);XR(D)::QAR1(I)
- R(g);XR(D)::QAR1(I)
- B(k);XS(H)::QAR1(I)
- P(j);::R1(D),XP(c)
- Q(b);::QAR1(I)
- Refutation
- S(e);
- Try
- S(H);XP(j)
- Threat
- QAR1(I)
- Vars
- S(d);N_GUARD::QAR1(I)
- S(d);N_GUARD::QAR1(I),XS(d)
- Refutation
- S(e);
- Try
- B(E);CHECK
- Vars
- K(f);S_FLIGHT,XB(E)::QAB1(I),XP(j)
- Refutation
- P(j);XB(E)
- Try
- B(J);XR(g)
- Threat
- DUALS(2)
- Vars
- Q(b);XP(B)::QAB(I),XP(j)
- R(a);XR(D)::QAB(I),XP(j)
- S(d);XP(G)::R1(D),XP(c)
- Q(b);::QAB(I),XP(j)
- B(k);::R1(D),XP(c)
- S(e);::QAB(I),XP(j)
- Refutation
- Q(b);XS(C)
- Try
- R(F);XS(e)
- Threat
- DUALS(2)
- Vars
- Q(b);XP(B)::QAB(I),XP(j)
- R(a);XR(D)::QAB(I),XP(j)
- R(g);XR(D)::QAB(I),XP(j)
- S(d);P_SPINS(d),XP(G)::R1(D),XP(c)
- Q(b);::QAB(I),XP(j)
- B(k);::R1(D),XP(c)
- Refutation
- Q(b);XS(C)
- Try
- Q(I);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(I),XS(d)
- Refutation
- B(k);P_SPINB(k)
- Try
- Q(I);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAR1(I),XS(d)
- Refutation
- B(k);XQ(I)
- Try
- P(B);CHECK,XS(d)
- Vars
- Q(b);SBLOCK,XP(B)::QAR1(I)
- Refutation
- K(f);P_SPINP(c),S_FLIGHT,XP(B)
- Try
- Actual
- S(H);XP(h)
- Threat
- S(H)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINR(g),P_SPINS(e),XP(G)::R(F),XS(e)
- R(g);P_PINQ(I),XS(H)::R1(D),XP(c)
- B(k);SBLOCK,XS(H)::QAR1(I)
- S(d);SBLOCK,XP(G)::R1(D),XP(c)
- S(e);SBLOCK,XS(H)::QAB(I),XP(j)
- P(i);SBLOCK,XS(H)::QAR1(I)
- S(d);N_GUARD::QAR1(I)
- S(d);N_GUARD::QAR1(I),XS(d)
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