MESON Chess Problem Database

Problem Display
PID: 236549 (3RN3/4nR1Q/qPp3n1/p3pP2/1Pp1k1r1/4P1P1/B2PP2p/1K6 w - - 0 1)

Heyl, Peter

Rochade Europa, 2005

3RN3/4nR1Q/qPp3n1/p3pP2/1Pp1k1r1/4P1P1/B2PP2p/1K6

#2

13 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Sf6#
    • 1...Sh4
      • 2.Sf6#
    • 1...Sf8
      • 2.Sf6#
    • 1...Sh8
      • 2.Sf6#
    • 1...Sd5
      • 2.Sd6#
    • 1...Sxf5
      • 2.Sf6#
    • 1...h1Q+
      • 2.Qxh1#
    • 1...h1S
      • 2.Qxh1#
    • 1...h1B
      • 2.Qxh1#
    • 1...h1R+
      • 2.Qxh1#
    • 1...c3
      • 2.Sd6#
  • Tries
    • 1.Ka1?
      • threat
        • 2.Bb1#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Sf4
        • 2.Sf6#
      • 1...c3
        • 2.Sd6#
      • 1...axb4!
    • 1.Kb2?
      • threat
        • 2.Bb1#
      • 1...h1Q
        • 2.Qxh1#
      • 1...h1R
        • 2.Qxh1#
      • 1...Sf4
        • 2.Sf6#
      • 1...c3+!
    • 1.Bb3?
      • threat
        • 2.Bc2#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Sf4
        • 2.Sf6#
      • 1...c3
        • 2.Sd6#
      • 1...cxb3!
    • 1.Rd3?
      • threat
        • 2.Sd6#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Sxf5
        • 2.Sf6#
      • 1...Sc8!
    • 1.Qh3?
      • threat
        • 2.Qg2#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Rxg3
        • 2.Sf6#
      • 1...h1B
        • 2.Qxh1#
      • 1...Rf4
        • 2.Sf6#
      • 1...Sh4
        • 2.Qxg4#
      • 1...Sf4!
    • 1.Qh5?
      • threat
        • 2.Sf6#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Rg5
        • 2.Qf3#
      • 1...Sd5
        • 2.Sd6#
      • 1...Sg8!
  • Keys
    • 1.Kc1!
      • threat
        • 2.Bb1#
      • 1...h1Q+
        • 2.Qxh1#
      • 1...h1R+
        • 2.Qxh1#
      • 1...Sf4
        • 2.Sf6#
      • 1...c3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • S(i);::S(M)
    • S(j);SBLOCK::S(M)
    • S(j);SBLOCK,XP(H)::S(M)
    • P(a);CHECK,OGATE::QAB(K),XQ(a)
    • P(a);OGATE::QAB(K),XS(a)
    • P(a);OGATE::QAB(K),XB(a)
    • P(a);CHECK,OGATE::QAB(K),XR(a)
    • P(b);::S(M)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • B(B)
      • Vars
        • P(a);CHECK,OGATE::QAB(K),XQ(a)
        • P(a);CHECK,OGATE::QAB(K),XR(a)
        • S(i);::S(M)
        • P(b);::S(M)
      • Refutation
        • P(e);P_PINB(B),XP(G)
    • Try
      • K(A);P-FLIGHT
      • Threat
        • B(B)
      • Vars
        • P(a);OGATE::QAB(K),XQ(a)
        • P(a);OGATE::QAB(K),XR(a)
        • S(i);::S(M)
      • Refutation
        • P(b);CHECK
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • P(a);CHECK,OGATE::QAB(K),XQ(a)
        • P(a);CHECK,OGATE::QAB(K),XR(a)
        • S(i);::S(M)
        • P(b);::S(M)
      • Refutation
        • P(b);XB(B)
    • Try
      • R(L);
      • Threat
        • S(M)
      • Vars
        • P(a);CHECK,OGATE::QAB(K),XQ(a)
        • P(a);CHECK,OGATE::QAB(K),XR(a)
        • S(j);SBLOCK,XP(H)::S(M)
      • Refutation
        • S(j);
    • Try
      • Q(K);
      • Threat
        • QAB(K)
      • Vars
        • P(a);CHECK,OGATE::QAB(K),XQ(a)
        • P(a);CHECK,OGATE::QAB(K),XR(a)
        • R(d);XP(F)::S(M)
        • P(a);OGATE::QAB(K),XB(a)
        • R(d);::S(M)
        • S(i);N_GUARD::QAR2(K),XR(d)
      • Refutation
        • S(i);
    • Try
      • Q(K);
      • Threat
        • S(M)
      • Vars
        • P(a);CHECK,OGATE::QAB(K),XQ(a)
        • P(a);CHECK,OGATE::QAB(K),XR(a)
        • R(d);OGATE::QAB1(K)
        • S(j);SBLOCK::S(M)
      • Refutation
        • S(j);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • B(B)
    • Vars
      • P(a);CHECK,OGATE::QAB(K),XQ(a)
      • P(a);CHECK,OGATE::QAB(K),XR(a)
      • S(i);::S(M)
      • P(b);::S(M)
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