MESON Chess Problem Database
Problem Display
PID: 271423 (2N2r2/8/2pR4/4P2R/1bPBk1Bn/2PN2P1/1nKPp3/Q7 w - - 0 1)
Pries, Albert
Probleemblad, 1951
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rf2
- 2.Sxf2#
- 1...Rxc8
- 2.Sf2#
- 1...Rd8
- 2.Sf2#
- 1...Re8
- 2.Sf2#
- 1...Rg8
- 2.Sf2#
- 1...Rh8
- 2.Sf2#
- 1...Bxc3
- 2.Sc5#
- 1...Ba5
- 2.Sc5#
- 1...Bc5
- 2.Sxc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Sf3
- 2.Sf2#
- 1...Sf5
- 2.Sf2#
- 2.Qh1#
- 1...e1Q
- 2.Qxe1#
- 1...e1S+
- 2.Qxe1#
- 1...e1B
- 2.Qxe1#
- 1...e1R
- 2.Qxe1#
- 1...c5
- 2.Qa8#
- 1...Rf2
- Tries
- 1.Sxb2?
- threat
- 2.d3#
- 1...e1S+
- 2.Qxe1#
- 1...Rf3!
- threat
- 1.Bg1?
- threat
- 2.Rd4#
- 1...e1S+
- 2.Qxe1#
- 1...Bxc3
- 2.Sc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Rd8
- 2.Sf2#
- 1...Bc5
- 2.Sxc5#
- 1...Sf3
- 2.Sf2#
- 1...c5
- 2.Qa8#
- 1...Sf5!
- threat
- 1.Be3?
- threat
- 2.Rd4#
- 1...Bxc3
- 2.Sc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Rd8
- 2.Sf2#
- 1...Bc5
- 2.Sxc5#
- 1...Sf3
- 2.Sf2#
- 1...Sf5
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e1S+!
- threat
- 1.Bc5?
- threat
- 2.Rd4#
- 1...e1S+
- 2.Qxe1#
- 1...Bxc5
- 2.Sxc5#
- 1...Rd8
- 2.Sf2#
- 1...Sf3
- 2.Sf2#
- 1...Sf5
- 2.Qh1#
- 1...Bxc3!
- threat
- 1.Ba7?
- threat
- 2.Rd4#
- 1...e1S+
- 2.Qxe1#
- 1...Bxc3
- 2.Sc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Rd8
- 2.Sf2#
- 1...Bc5
- 2.Sxc5#
- 1...Sf3
- 2.Sf2#
- 1...Sf5
- 2.Qh1#
- 1...c5!
- threat
- 1.Qh1+?
- 1...Rf3
- 2.Sf2#
- 1...Sf3
- 2.Sf2#
- 1...Sg2!
- 1...Rf3
- 1.Qa6?
- threat
- 2.Qxc6#
- 1...Rxc8
- 2.Sf2#
- 1...c5
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...e1S+!
- threat
- 1.Qa8?
- threat
- 2.Qxc6#
- 1...Rxc8
- 2.Sf2#
- 1...e1S+!
- threat
- 1.Sxb2?
- Keys
- 1.Bb6!
- threat
- 2.Rd4#
- 1...e1S+
- 2.Qxe1#
- 1...Bxc3
- 2.Sc5#
- 1...Bxd6
- 2.Sxd6#
- 1...Rd8
- 2.Sf2#
- 1...Bc5
- 2.Sxc5#
- 1...Sf3
- 2.Sf2#
- 1...Sf5
- 2.Qh1#
- 1...c5
- 2.Qa8#
- threat
- 1.Bb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(g);N_GUARD::S(E),XR(g)
- R(g);N_GUARD,XS(M)::S(E)
- R(g);N_GUARD::S(E)
- B(c);N_GUARD,XP(D)::S(E)
- B(c);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- B(c);XR(L)::S(M),XB(c)
- S(e);S_CUTR(g)::S(E)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- P(f);OGATEB::QAB(A)
- Tries
- Try
- S(E);XS(a)
- Threat
- P(C)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- Refutation
- R(g);
- Try
- B(H);
- Threat
- R1(L)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(c);N_GUARD,XP(D)::S(E)
- B(c);XR(L)::S(M),XB(c)
- R(g);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- S(e);S_CUTR(g)::S(E)
- P(f);OGATEB::QAB(A)
- Refutation
- S(e);
- Try
- B(H);
- Threat
- R1(L)
- Vars
- B(c);N_GUARD,XP(D)::S(E)
- B(c);XR(L)::S(M),XB(c)
- R(g);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- S(e);S_CUTR(g)::S(E)
- S(e);N_GUARD,S_CUTR(g)::QAB(A)
- P(f);OGATEB::QAB(A)
- Refutation
- P(b);CHECK
- Try
- B(H);
- Threat
- R1(L)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(c);XB(H)::S(E),XB(c)
- R(g);N_GUARD::S(E)
- S(e);S_CUTR(g)::S(E)
- S(e);N_GUARD,S_CUTR(g)::QAB(A)
- Refutation
- B(c);XP(D)
- Try
- B(H);
- Threat
- R1(L)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(c);N_GUARD,XP(D)::S(E)
- B(c);XR(L)::S(M),XB(c)
- R(g);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- S(e);S_CUTR(g)::S(E)
- S(e);N_GUARD,S_CUTR(g)::QAB(A)
- Refutation
- P(f);
- Try
- Q(A);CHECK
- Vars
- R(g);P_SPINR(g)::S(E)
- S(e);P_SPINS(e)::S(E)
- Refutation
- S(e);P_SPINS(e)
- Try
- Q(A);
- Threat
- QAB(A),XP(f)
- Vars
- R(g);N_GUARD,XS(M)::S(E)
- Refutation
- P(b);CHECK
- Try
- Q(A);P_PINP(f)
- Threat
- QAB(A),XP(f)
- Vars
- R(g);N_GUARD,XS(M)::S(E)
- Refutation
- P(b);CHECK
- Try
- Actual
- B(H);
- Threat
- R1(L)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(c);N_GUARD,XP(D)::S(E)
- B(c);XR(L)::S(M),XB(c)
- R(g);N_GUARD::S(E)
- B(c);N_GUARD::S(E),XB(c)
- S(e);S_CUTR(g)::S(E)
- S(e);N_GUARD,S_CUTR(g)::QAB(A)
- P(f);OGATEB::QAB(A)
Developed and maintained by Brian Stephenson.
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