MESON Chess Problem Database
Problem Display
PID: 11654 (2KR1n2/4p2R/1p6/pPkBPrN1/P1Pp2r1/3p2Qn/1N6/4Bb2 w - - 0 1)
Petkov, Petko Andonov
1st Prize, Revista de Sah, 1970
#2
12 + 11
| 102 | Probleemblad | 1975 |
| 3840 | Petkov Selected Compositions | 2000 |
| 133 | The Problemist Supplement | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxg3
- 2.Se4#
- 1...Re4
- 2.Sxe4#
- 1...Bg2
- 2.Sxd3#
- 1...Sf4
- 2.Se4#
- 1...Se6
- 2.Sxe6#
- 1...Sg6
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Sxh7
- 2.Se6#
- 1...d2
- 2.Qa3#
- 1...e6
- 2.Rc7#
- 1...Rxg3
- Tries
- 1.Bh1?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...Bg2!
- threat
- 1.Bg2?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...Bxg2!
- threat
- 1.Bf3?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...d2!
- threat
- 1.Be4?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...Sf4!
- threat
- 1.Be6?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Bg2
- 2.Sxd3#
- 1...Sf4
- 2.Se4#
- 1...Sd7!
- threat
- 1.Bb7?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...Bg2!
- threat
- 1.Bf7?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Bg2
- 2.Sxd3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6!
- threat
- 1.Ba8?
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- 1...Bg2!
- threat
- 1.Rd6?
- threat
- 2.Rc6#
- 1...exd6
- 2.Rc7#
- 1...d2
- 2.Qa3#
- 1...Rf6!
- threat
- 1.Qxd3?
- threat
- 2.Qa3#
- 1...Bxd3
- 2.Sxd3#
- 1...Rg3
- 2.Se4#
- 1...Rf3!
- threat
- 1.Bh1?
- Keys
- 1.Bg8!
- threat
- 2.Rd5#
- 1...Rxe5
- 2.Qxe5#
- 1...d2
- 2.Qa3#
- 1...Bg2
- 2.Sxd3#
- 1...Sf4
- 2.Se4#
- 1...Sd7
- 2.Se6#
- 1...e6
- 2.Rc7#
- threat
- 1.Bg8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(e);N_GUARD,XQ(C)::S(I)
- R(e);N_GUARD::S(I),XR(e)
- B(a);N_GUARD::S(B),XP(b)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I),XS(k)
- S(k);N_GUARD::S(I)
- S(k);N_GUARD,XR(J)::S(I)
- P(b);OGATE::QAB(C)
- P(j);OGATE::R(J)
- Tries
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- B(a);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- B(a);XB(G)
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- P(b);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- S(c);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- B(a);N_GUARD::S(B),XP(b)
- S(c);S_CUTR(e)::S(I)
- Refutation
- S(k);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- B(a);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- B(a);N_GUARD::S(B),XP(b)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- Refutation
- P(j);
- Try
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
- Refutation
- B(a);
- Try
- R(L);
- Threat
- R1(L)
- Vars
- P(j);OGATE,XR(L)::R(J)
- P(b);OGATE::QAB(C)
- Refutation
- R(h);
- Try
- Q(C);XP(b)
- Threat
- QAB(C)
- Vars
- B(a);XQ(C)::S(B),XB(a)
- R(e);N_GUARD::S(I)
- Refutation
- R(h);
- Try
- Actual
- B(G);
- Threat
- R1(L)
- Vars
- R(h);OGATE,XP(H)::QAR2(C),XR(h)
- P(b);OGATE::QAB(C)
- B(a);N_GUARD::S(B),XP(b)
- S(c);S_CUTR(e)::S(I)
- S(k);N_GUARD::S(I)
- P(j);OGATE::R(J)
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