MESON Chess Problem Database
Problem Display
PID: 110459 (3nR3/7b/Q2p4/2pk4/4r2R/1P3r2/1BPNN3/1K2n2B w - - 0 1)
Pirrone, Santi
1st HM., Dunaujvarosi Hirlap, 1962-1964
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.c4#
- 1...Rf2
- 2.c4#
- 1...Rxb3
- 2.Sf4#
- 2.c4#
- 1...Rd3
- 2.Sf4#
- 2.c4#
- 1...Rfe3
- 2.Sf4#
- 2.c4#
- 1...Rg3
- 2.Sf4#
- 2.c4#
- 1...Rh3
- 2.Sf4#
- 2.c4#
- 1...Rff4
- 2.Sxf4#
- 2.c4#
- 1...Rf5
- 2.Bxe4#
- 2.c4#
- 1...Rf6
- 2.c4#
- 1...Rf7
- 2.c4#
- 1...Rf8
- 2.c4#
- 1...Ree3
- 2.Sf4#
- 1...Ra4
- 2.Sc3#
- 1...Rb4
- 2.Sc3#
- 1...Rc4
- 2.bxc4#
- 1...Rd4
- 2.Sc3#
- 1...Ref4
- 2.Sxf4#
- 1...Re5
- 2.Sc3#
- 2.Sf4#
- 1...Re6
- 2.Sf4#
- 1...Re7
- 2.Sf4#
- 1...Rxe8
- 2.Sf4#
- 1...Se6
- 2.Qb7#
- 2.Qa8#
- 1...Sb7
- 2.Qxb7#
- 1...Sf7
- 2.Qb7#
- 2.Qa8#
- 1...c4
- 2.Qb5#
- 1...Rf1
- Tries
- 1.Sxe4?
- threat
- 2.S4c3#
- 2.Sf6#
- 2.Qxd6#
- 2.c4#
- 1...Rxb3
- 2.Sf4#
- 2.S4c3#
- 2.Sf6#
- 2.c4#
- 1...Sxc2
- 2.S4c3#
- 2.Sf6#
- 2.Qxd6#
- 1...Rc3
- 2.S4xc3#
- 2.Sf6#
- 2.Qxd6#
- 1...Rf6
- 2.S4c3#
- 2.Sxf6#
- 2.c4#
- 1...Sg2
- 2.Qxd6#
- 2.c4#
- 1...Sc6
- 2.S4c3#
- 2.Sf6#
- 2.Qc4#
- 2.c4#
- 1...Se6
- 2.Sf6#
- 2.Qb7#
- 2.Qxd6#
- 2.Qa8#
- 2.c4#
- 1...Sb7
- 2.S4c3#
- 2.Sf6#
- 2.Qxb7#
- 2.c4#
- 1...Sf7
- 2.S4c3#
- 2.Sf6#
- 2.Qb7#
- 2.Qa8#
- 2.c4#
- 1...c4
- 2.Qxc4#
- 2.Qb5#
- 2.Qxd6#
- 2.bxc4#
- 1...Bxe4!
- threat
- 1.Sf4+?
- 1...Rfxf4
- 2.c4#
- 1...Rexf4!
- 1...Rfxf4
- 1.Bxf3?
- threat
- 2.Sf4#
- 2.c4#
- 1...Sxc2
- 2.Sf4#
- 1...c4
- 2.Qxc4#
- 2.Qb5#
- 1...Sg2
- 2.c4#
- 1...Sd3
- 2.c4#
- 1...Se6
- 2.Qb7#
- 2.Qa8#
- 2.c4#
- 1...Sxf3!
- threat
- 1.Rh5+?
- 1...Rf5
- 2.Sf4#
- 2.Bxe4#
- 2.c4#
- 1...Re5
- 2.Sf4#
- 1...Bf5!
- 1...Rf5
- 1.Re5+?
- 1...Rxe5
- 2.Sf4#
- 1...dxe5!
- 1...Rxe5
- 1.Qa8+?
- 1...Sb7
- 2.Qxb7#
- 1...Sc6!
- 1...Sb7
- 1.Sxe4?
- Keys
- 1.Sc4!
- threat
- 2.Qxd6#
- 1...Rxb3
- 2.Sf4#
- 1...Rxc4
- 2.bxc4#
- 1...Rf6
- 2.Se3#
- 1...Re6
- 2.Sc3#
- 1...Sc6
- 2.Sb6#
- 1...Sb7
- 2.Qxb7#
- 1...Sf7
- 2.Qb7#
- 2.Qa8#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- R(b);P_SPINR(c)::P(D)
- R(c);N_GUARD,P_PINP(D),P_SPINR(b)::S(F)
- R(c);P_PINP(D),P_SPINR(b)::S(F)
- R(c);OGATE,P_PINP(D),P_SPINR(b)::P(G),XR(c)
- R(c);N_GUARD,P_PINP(D),P_SPINR(b)::S(F),XR(c)
- R(c);N_GUARD,P_PINP(D),P_SPINR(b),XR(J)::S(F)
- S(h);N_GUARD::QAB(I),XS(h)
- P(d);OGATEB::QAR2(I)
- Tries
- Try
- S(E);XR(c)
- Threat
- DUALS(4)
- Refutation
- B(g);P_PINP(D),XS(E)
- Try
- S(F);CHECK
- Vars
- R(b);P_SPINR(c),XS(F)::P(D)
- Refutation
- R(c);P_PINP(D),P_SPINR(b),XS(F)
- Try
- B(B);P_PINR(c),XR(b)
- Threat
- DUALS(2)
- Vars
- S(a);XP(D)::S(F)
- S(a);::P(D)
- Refutation
- S(a);N_SPINR(c),XB(B)
- Try
- R(H);CHECK
- Vars
- R(c);P_PINP(D),P_SPINR(b)::S(F)
- Refutation
- B(g);P_SPINB(g)
- Try
- R(J);CHECK
- Vars
- R(c);P_PINP(D),P_SPINR(b),XR(J)::S(F)
- Refutation
- P(f);XR(J)
- Try
- Q(I);CHECK
- Vars
- S(h);N_GUARD,P_SPINS(h)::QAB(I),XS(h)
- Refutation
- S(h);P_SPINS(h)
- Try
- Actual
- S(E);
- Threat
- QAR1(I),XP(f)
- Vars
- R(b);N_GUARD,P_PINB(C),P_SPINR(c),XP(G)::S(F)
- R(c);OGATE,P_PINP(D),P_SPINR(b),XS(E)::P(G),XR(c)
- R(b);N_GUARD,P_SPINR(c)::S(E)
- R(c);P_PINP(D),P_SPINR(b)::S(F)
- S(h);SBLOCK::S(E)
- S(h);N_GUARD::QAB(I),XS(h)
Developed and maintained by Brian Stephenson.
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