MESON Chess Problem Database
Problem Display
PID: 213445 (K4Q2/1P6/R2NpB2/3k1P1b/1Pp1Rp2/1nPn4/1q1p2r1/7B w - - 0 1)
Maleika, Gerhard
Phenix, 2019
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rd4#
- 2.Re5#
- 1...Re2
- 2.Rd4#
- 2.Re5#
- 1...Rf2
- 2.Rd4#
- 2.Re5#
- 1...Rh2
- 2.Rd4#
- 2.Re5#
- 1...Rg3
- 2.Rd4#
- 2.Re5#
- 1...Rg4
- 2.Rd4#
- 2.Re5#
- 1...Rg5
- 2.Rd4#
- 2.Re5#
- 1...Rg6
- 2.Rd4#
- 2.Re5#
- 1...Rg7
- 2.Rd4#
- 2.Re5#
- 1...Rg8
- 2.Rd4#
- 2.Re5#
- 1...Sa1
- 2.Rd4#
- 1...Sbc1
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sbc5
- 2.Rd4#
- 1...Sdc1
- 2.Re5#
- 1...Se1
- 2.Re5#
- 1...Sf2
- 2.Re5#
- 1...Sxb4
- 2.Re5#
- 1...Sdc5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Rg1
- Tries
- 1.Qe8?
- threat
- 2.Qc6#
- 2.Qxe6#
- 1...Sxb4
- 2.Re5#
- 1...exf5
- 2.Qc6#
- 2.Qe6#
- 1...Rg8
- 2.Rd4#
- 2.Re5#
- 1...Bf7
- 2.Qc6#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 2.Qxe6#
- 1...Sbc5
- 2.Rd4#
- 2.Qc6#
- 1...Sdc5
- 2.Re5#
- 2.Qc6#
- 1...Se5
- 2.Rxe5#
- 2.Qxe6#
- 1...e5
- 2.Qc6#
- 2.Qe6#
- 1...Bxe8!
- threat
- 1.b8Q?
- threat
- 2.Qb7#
- 1...Sxb4
- 2.Re5#
- 1...Rg7
- 2.Rd4#
- 2.Re5#
- 1...Sd4
- 2.Rxd4#
- 1...Sa5
- 2.Rd4#
- 1...Sbc5
- 2.Rd4#
- 1...Sdc5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Be8!
- threat
- 1.Qe8?
- Keys
- 1.Qc8!
- threat
- 2.Qxe6#
- 2.Qxc4#
- 2.Qc6#
- 1...Qxc3
- 2.Qxe6#
- 2.Qc6#
- 1...Sxb4
- 2.Re5#
- 2.Qxc4#
- 1...exf5
- 2.Qe6#
- 2.Qxc4#
- 2.Qc6#
- 1...Rg8
- 2.Rd4#
- 2.Re5#
- 1...Bf7
- 2.Qxc4#
- 2.Qc6#
- 1...Be8
- 2.Qxe6#
- 2.Qxc4#
- 1...Sd4
- 2.Rxd4#
- 2.Qxc4#
- 1...Sa5
- 2.Rd4#
- 2.Qxe6#
- 1...Sbc5
- 2.Rd4#
- 2.Qc6#
- 1...Sdc5
- 2.Re5#
- 2.Qc6#
- 1...Se5
- 2.Rxe5#
- 2.Qxe6#
- 1...e5
- 2.Qe6#
- 2.Qxc4#
- 2.Qc6#
- threat
- 1.Qc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 11
- Sets
- S(d);N_GUARD::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(e);N_GUARD::R1(D)
- S(e);N_GUARD,XP(C)::R1(D)
- S(e);N_GUARD::R1(D),XS(e)
- Tries
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD,XP(C)::R1(D)
- B(i);::QAB1(K)
- S(d);N_GUARD::R1(D),XS(d)
- Refutation
- B(i);XQ(K)
- Try
- P(I);
- Threat
- QAB(I)
- Vars
- S(e);N_GUARD,XP(C)::R1(D)
- S(d);N_GUARD::R1(D),XS(d)
- S(d);N_GUARD::R1(D)
- S(e);N_GUARD::R1(D)
- S(e);N_GUARD::R1(D),XS(e)
- Refutation
- B(i);
- Try
- Actual
- Q(K);
- Threat
- DUALS(3)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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